<div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://files.passeidireto.com/149d3ac4-622c-4313-8c0e-1d7a32309792/bg1.png"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls5 ws8">1 </div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x2 h3 y3 ff2 fs1 fc0 sc0 ls5 ws8"> </div><div class="c x3 y4 w2 h4"><div class="t m0 x4 h5 y5 ff2 fs0 fc0 sc0 ls5 ws8"> </div></div><div class="t m0 x5 h5 y6 ff2 fs0 fc0 sc0 ls5 ws8">INSTITUTO FE<span class="blank _0"></span>DERAL DE M<span class="blank _1"> </span>INAS GERAIS </div><div class="t m0 x6 h2 y7 ff1 fs0 fc0 sc0 ls5 ws8">Cam<span class="blank _0"></span>pus Ava<span class="blank _1"> </span>nçado Conselhei<span class="blank _0"></span>ro <span class="blank _1"> </span>Laf<span class="blank _0"></span>aiete </div><div class="t m0 x7 h2 y8 ff1 fs0 fc0 sc0 ls5 ws8">A<span class="blank _0"></span>po<span class="blank _1"> </span>stil<span class="blank _0"></span>a elabor<span class="blank _1"> </span>ada pel<span class="blank _0"></span>o <span class="blank _1"> </span>docen<span class="blank _0"></span>te <span class="blank _1"> </span>Al<span class="blank _0"></span>exandre Cor<span class="blank _1"> </span>reia F<span class="blank _0"></span>ernandes </div><div class="t m0 x8 h2 y9 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x8 h5 ya ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x1 h3 yb ff2 fs1 fc0 sc0 ls0 ws8"> <span class="ls5 v1"> </span></div><div class="t m1 x9 h3 yc ff2 fs1 fc0 sc0 ls5 ws8">ESTUDO DAS MA<span class="blank _2"></span>TRIZES<span class="blank _2"></span> </div><div class="t m0 x2 h5 yd ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h6 ye ff2 fs2 fc0 sc0 ls5 ws8">Def<span class="blank _1"> </span>in<span class="blank _2"></span>içã<span class="blank _1"> </span>o <span class="blank _1"> </span>de matriz </div><div class="t m0 x1 h5 yf ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y10 ff1 fs0 fc0 sc0 ls5 ws8"> <span class="blank _3"> </span>Considerem<span class="blank _2"></span>o<span class="blank _1"> </span>s a t<span class="blank _1"> </span>abela a<span class="blank _1"> </span>bai<span class="blank _0"></span>xo, <span class="blank _1"> </span>construí<span class="blank _0"></span>da <span class="blank _1"> </span>a part<span class="blank _1"> </span>i<span class="blank _2"></span>r <span class="blank _1"> </span>da <span class="blank _1"> </span>col<span class="blank _0"></span>eta <span class="blank _1"> </span>de <span class="blank _1"> </span>i<span class="blank _0"></span>nf<span class="blank _2"></span>o<span class="blank _1"> </span>r<span class="blank _1"> </span>mações sobre<span class="blank _1"> </span> </div><div class="t m0 x1 h2 y11 ff1 fs0 fc0 sc0 ls5 ws8">o <span class="blank _4"> </span>preço <span class="blank _5"> </span>do <span class="blank _5"> </span>quil<span class="blank _2"></span>o<span class="blank _1"> </span> <span class="blank _4"> </span>do <span class="blank _4"> </span>ar<span class="blank _0"></span>roz <span class="blank _5"> </span>tipo <span class="blank _4"> </span>1,<span class="blank _0"></span> <span class="blank _5"> </span>do <span class="blank _4"> </span>f<span class="blank _2"></span>e<span class="blank _1"> </span>ijão <span class="blank _4"> </span>pre<span class="blank _2"></span>to<span class="blank _1"> </span> <span class="blank _4"> </span>e <span class="blank _5"> </span>do <span class="blank _5"> </span>m<span class="blank _0"></span>acarrão<span class="blank _1"> </span>, <span class="blank _5"> </span>em<span class="blank _0"></span> <span class="blank _5"> </span>quat<span class="blank _1"> </span>ro </div><div class="t m0 x1 h2 y12 ff1 fs0 fc0 sc0 ls5 ws8">superm<span class="blank _0"></span>ercados de <span class="blank _1"> </span>um<span class="blank _0"></span>a capital bras<span class="blank _1"> </span>il<span class="blank _2"></span>e<span class="blank _1"> </span>ira: </div><div class="t m0 x1 h2 y13 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y14 ff1 fs0 fc0 sc0 ls5 ws8"> <span class="blank _6"> </span>Super<span class="blank _1"> </span>m<span class="blank _2"></span>ercado<span class="blank _1"> </span> </div><div class="t m0 xa h7 y15 ff1 fs0 fc0 sc0 ls5 ws8">A <span class="blank _7"> </span><span class="v2">Super<span class="blank _1"> </span>m<span class="blank _2"></span>ercado<span class="blank _1"> </span> </span></div><div class="t m0 xb h7 y15 ff1 fs0 fc0 sc0 ls5 ws8">B <span class="blank _8"> </span><span class="v2">Super<span class="blank _1"> </span>m<span class="blank _2"></span>ercado<span class="blank _1"> </span> </span></div><div class="t m0 xc h7 y15 ff1 fs0 fc0 sc0 ls5 ws8">C <span class="blank _9"> </span><span class="v2">Super<span class="blank _1"> </span>m<span class="blank _2"></span>ercado<span class="blank _1"> </span> </span></div><div class="t m0 xd h2 y15 ff1 fs0 fc0 sc0 ls5 ws8">D </div><div class="t m0 x1 h2 y16 ff1 fs0 fc0 sc0 ls5 ws8">A<span class="blank _0"></span>rro<span class="blank _1"> </span>z <span class="blank _a"> </span>2,40 <span class="blank _b"> </span>2,57 <span class="blank _b"> </span>2,38 <span class="blank _c"> </span>2,49 </div><div class="t m0 x1 h2 y17 ff1 fs0 fc0 sc0 ls5 ws8">Feijão <span class="blank _d"> </span>3,02 <span class="blank _b"> </span>3,17 <span class="blank _b"> </span>2,91 <span class="blank _c"> </span>3,20 </div><div class="t m0 x1 h2 y18 ff1 fs0 fc0 sc0 ls5 ws8">macar<span class="blank _0"></span>rão<span class="blank _1"> </span> <span class="blank _e"> </span>1,99 <span class="blank _b"> </span>2,05 <span class="blank _b"> </span>1,87 <span class="blank _c"> </span>2,12 </div><div class="t m0 x1 h2 y19 ff1 fs0 fc0 sc0 ls5 ws8"> <span class="blank _3"> </span> </div><div class="t m0 xe h2 y1a ff1 fs0 fc0 sc0 ls5 ws8">Uma matri<span class="blank _0"></span>z é u<span class="blank _1"> </span>ma tabel<span class="blank _2"></span>a <span class="blank _1"> </span>de elemento<span class="blank _1"> </span>s di<span class="blank _0"></span>sposto<span class="blank _1"> </span>s em<span class="blank _2"></span> <span class="blank _1"> </span>linhas e co<span class="blank _1"> </span>l<span class="blank _2"></span>u<span class="blank _1"> </span>nas. </div><div class="t m0 xe h2 y1b ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 xe h2 y1c ff1 fs0 fc0 sc0 ls5 ws8">Portanto,<span class="blank _1"> </span> <span class="blank _f"> </span>se <span class="blank _f"> </span>abstrai<span class="blank _2"></span>r<span class="blank _1"> </span>mos <span class="blank _f"> </span>os <span class="blank _f"> </span>s<span class="blank _1"> </span>ignificados <span class="blank _f"> </span>das <span class="blank _f"> </span>linhas <span class="blank _f"> </span>e <span class="blank _f"> </span>co<span class="blank _10"> </span>l<span class="blank _2"></span>u<span class="blank _1"> </span>nas <span class="blank _f"> </span>da <span class="blank _f"> </span>t<span class="blank _1"> </span>abela <span class="blank _f"> </span>acima,<span class="blank _1"> </span> </div><div class="t m0 x1 h2 y1d ff1 fs0 fc0 sc0 ls5 ws8">obt<span class="blank _1"> </span>erem<span class="blank _2"></span>o<span class="blank _1"> </span>s a matri<span class="blank _0"></span>z </div><div class="t m0 xe h2 y1e ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 xf h8 y1f ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 xf h8 y20 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 xf h8 y21 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 xf h8 y22 ff3 fs3 fc0 sc0 ls5">û</div><div class="t m0 xf h8 y23 ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m0 x10 h8 y1f ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x10 h8 y20 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x10 h8 y21 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x10 h8 y22 ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m0 x10 h8 y23 ff3 fs3 fc0 sc0 ls5">é</div><div class="t m0 x11 h9 y24 ff1 fs3 fc0 sc0 ls5 ws0">12<span class="blank _11"></span>,<span class="blank _12"></span>2<span class="blank _13"></span>87<span class="blank _14"></span>,<span class="blank _15"></span>1<span class="blank _16"></span>05<span class="blank _17"></span>,<span class="blank _12"></span>2<span class="blank _18"></span>99<span class="blank _17"></span>,<span class="blank _15"></span>1</div><div class="t m0 x11 h9 y25 ff1 fs3 fc0 sc0 ls5 ws0">20<span class="blank _17"></span>,<span class="blank _19"></span>3<span class="blank _16"></span>91<span class="blank _17"></span>,<span class="blank _19"></span>2<span class="blank _18"></span>17<span class="blank _1a"></span>,<span class="blank _19"></span>3<span class="blank _18"></span>02<span class="blank _14"></span>,<span class="blank _19"></span>3</div><div class="t m0 x11 h9 y26 ff1 fs3 fc0 sc0 ls5 ws0">49<span class="blank _17"></span>,<span class="blank _12"></span>2<span class="blank _16"></span>38<span class="blank _17"></span>,<span class="blank _12"></span>2<span class="blank _1b"></span>57<span class="blank _14"></span>,<span class="blank _12"></span>2<span class="blank _1b"></span>40<span class="blank _17"></span>,<span class="blank _12"></span>2</div><div class="t m0 xc h2 y25 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x12 h2 y27 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 xe h2 y28 ff1 fs0 fc0 sc0 ls5 ws8">Uma matri<span class="blank _0"></span>z ge<span class="blank _1"> </span>n<span class="blank _0"></span>ér<span class="blank _1"> </span>i<span class="blank _0"></span>ca <span class="blank _1"> </span>A<span class="blank _0"></span>, co<span class="blank _1"> </span>m<span class="blank _2"></span> <span class="blank _1"> </span>m li<span class="blank _0"></span>nhas e <span class="blank _1"> </span>n<span class="blank _0"></span> co<span class="blank _1"> </span>l<span class="blank _0"></span>u<span class="blank _1"> </span>n<span class="blank _0"></span>as po<span class="blank _1"> </span>de ser represen<span class="blank _0"></span>tada por </div><div class="t m0 x1 h2 y29 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m2 x13 ha y2a ff3 fs4 fc0 sc0 ls5 ws1">[<span class="blank"> </span>]</div><div class="t m1 xc hb y2b ff4 fs5 fc0 sc0 ls5 ws2">n<span class="blank _1a"></span>m</div><div class="t m1 x14 hb y2c ff4 fs5 fc0 sc0 ls5 ws2">ij</div><div class="t m1 x15 hb y2d ff4 fs5 fc0 sc0 ls5 ws2">mn<span class="blank _1c"></span>m<span class="blank _1d"></span>m</div><div class="t m1 x16 hb y2e ff4 fs5 fc0 sc0 ls5">n</div><div class="t m1 x16 hb y2f ff4 fs5 fc0 sc0 ls5">n</div><div class="t m1 x17 hb y2c ff4 fs5 fc0 sc0 ls5 ws2">n<span class="blank _1a"></span>m</div><div class="t m3 x18 hc y2a ff4 fs6 fc0 sc0 ls5">a</div><div class="t m3 x12 hc y30 ff4 fs6 fc0 sc0 ls5 ws3">a<span class="blank _1e"></span>a<span class="blank _1f"></span>a</div><div class="t m3 x12 hc y31 ff4 fs6 fc0 sc0 ls5 ws3">a<span class="blank _20"></span>a<span class="blank _1f"></span>a</div><div class="t m3 x19 hc y32 ff4 fs6 fc0 sc0 ls5 ws3">a<span class="blank _1e"></span>a<span class="blank _1f"></span>a</div><div class="t m3 x1a hc y2a ff4 fs6 fc0 sc0 ls5">A</div><div class="t m1 x1b hd y2b ff3 fs5 fc0 sc0 ls5">´</div><div class="t m1 x1c hd y2c ff3 fs5 fc0 sc0 ls5">´</div><div class="t m3 x1d he y2a ff3 fs6 fc0 sc0 ls5">=</div><div class="t m3 x8 he y33 ff3 fs6 fc0 sc0 ls5">ú</div><div class="t m3 x8 he y34 ff3 fs6 fc0 sc0 ls5">ú</div><div class="t m3 x8 he y35 ff3 fs6 fc0 sc0 ls5">ú</div><div class="t m3 x8 he y36 ff3 fs6 fc0 sc0 ls5">ú</div><div class="t m3 x8 he y2d ff3 fs6 fc0 sc0 ls5">û</div><div class="t m3 x8 he y37 ff3 fs6 fc0 sc0 ls5">ù</div><div class="t m3 x6 he y33 ff3 fs6 fc0 sc0 ls5">ê</div><div class="t m3 x6 he y34 ff3 fs6 fc0 sc0 ls5">ê</div><div class="t m3 x6 he y35 ff3 fs6 fc0 sc0 ls5">ê</div><div class="t m3 x6 he y36 ff3 fs6 fc0 sc0 ls5">ê</div><div class="t m3 x6 he y2d ff3 fs6 fc0 sc0 ls5">ë</div><div class="t m3 x6 he y37 ff3 fs6 fc0 sc0 ls5">é</div><div class="t m3 x1e hf y30 ff1 fs6 fc0 sc0 ls1 ws4">...</div><div class="t m3 x1e hf y31 ff1 fs6 fc0 sc0 ls1 ws4">...</div><div class="t m3 x1e hf y32 ff1 fs6 fc0 sc0 ls1 ws4">...</div><div class="t m1 x1f h10 y2d ff1 fs5 fc0 sc0 ls5 ws2">2<span class="blank _21"></span>1</div><div class="t m1 x15 h10 y2e ff1 fs5 fc0 sc0 ls5 ws2">2<span class="blank _22"></span>22<span class="blank _23"></span>21</div><div class="t m1 x15 h10 y2f ff1 fs5 fc0 sc0 ls5 ws2">1<span class="blank _24"></span>12<span class="blank _23"></span>11</div><div class="t m3 x15 h11 y38 ff5 fs6 fc0 sc0 ls5 ws5">M<span class="blank _25"></span>M<span class="blank _26"></span>M<span class="blank _27"></span>M</div><div class="t m0 x20 h2 y2a ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y39 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h12 y3a ff1 fs0 fc0 sc0 ls5 ws8">em<span class="blank _0"></span> <span class="blank _1"> </span>que <span class="blank _1"> </span>o<span class="blank _1"> </span>s <span class="blank _1"> </span>índices <span class="blank _1"> </span><span class="ff6 ws6">\u201c<span class="ff4 ls2">i</span>\u201d</span> e <span class="blank _10"> </span><span class="ff6 ws6">\u201c<span class="ff4 ls2">j</span><span class="ls3">\u201d</span></span> <span class="blank _1"> </span>in<span class="blank _0"></span>dica<span class="blank _1"> </span>m<span class="blank _2"></span>,<span class="blank _1"> </span> <span class="blank _1"> </span>respect<span class="blank _10"> </span>iv<span class="blank _2"></span>a<span class="blank _1"> </span>men<span class="blank _0"></span>t<span class="blank _1"> </span>e, <span class="blank _1"> </span>a <span class="blank _10"> </span>li<span class="blank _2"></span>nha <span class="blank _1"> </span>e <span class="blank _1"> </span>a <span class="blank _10"> </span>co<span class="blank _1"> </span>l<span class="blank _0"></span>una <span class="blank _1"> </span>à <span class="blank _1"> </span>qual <span class="blank _1"> </span>pertence<span class="blank _1"> </span> </div><div class="t m0 x1 h2 y3b ff1 fs0 fc0 sc0 ls5 ws8">o e<span class="blank _1"> </span>l<span class="blank _2"></span>e<span class="blank _1"> </span>men<span class="blank _0"></span>t<span class="blank _1"> </span>o <span class="ff4 ls4">a<span class="fs7 ls5 ws7 v3">ij</span></span></div><div class="t m0 x21 h2 y3b ff1 fs0 fc0 sc0 ls5 ws8">. </div><div class="t m0 x1 h2 y3c ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h5 y3d ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h5 y3e ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h5 y3f ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h5 y40 ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h5 y41 ff2 fs0 fc0 sc0 ls5 ws8"> </div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x22 y42 w3 h13" alt="" src="https://files.passeidireto.com/149d3ac4-622c-4313-8c0e-1d7a32309792/bg2.png"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls5 ws8">2 </div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h5 y43 ff2 fs0 fc0 sc0 ls5 ws8">Escr<span class="blank _0"></span>evendo <span class="blank _1"> </span>uma matr<span class="blank _0"></span>iz a parti<span class="blank _1"> </span>r<span class="blank _0"></span> de sua <span class="blank _1"> </span>l<span class="blank _0"></span>ei de formação </div><div class="t m0 x1 h5 y44 ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y45 ff7 fs0 fc0 sc0 ls6">§<span class="ff8 ls7 ws8"> <span class="ff1 ls5">Escreva a m<span class="blank _0"></span>atr<span class="blank _1"> </span>i<span class="blank _0"></span>z <span class="blank _1"> </span>A<span class="blank _0"></span> = </span></span></div><div class="t m4 x23 h14 y45 ff3 fs8 fc0 sc0 ls5 ws9">[<span class="blank"> </span>]</div><div class="t m1 x24 h15 y46 ff1 fs9 fc0 sc0 ls5 wsa">2<span class="blank _28"></span>3<span class="blank"> </span><span class="ff4">x</span></div><div class="t m1 x25 h16 y47 ff4 fs9 fc0 sc0 ls5 wsb">ij</div><div class="t m1 x1a h2 y45 ff4 fsa fc0 sc0 ls8">a<span class="ff1 fs0 ls5 ws8">, t<span class="blank _1"> </span>al<span class="blank _2"></span> que <span class="ff4 ls4">a<span class="fs7 ls5 wsc v3">i<span class="blank"> </span>j</span></span></span></div><div class="t m1 xb h12 y45 ff4 fs0 fc0 sc0 ls9 ws8"> <span class="ff1 ls5">= <span class="ff4">2i <span class="ff9 ls4">\u2013</span> j + 1</span>. </span></div><div class="t m1 x1 h2 y48 ff1 fs0 fc0 sc0 lsa ws8"> <span class="ls5 v4">De acor<span class="blank _1"> </span>d<span class="blank _0"></span>o co<span class="blank _1"> </span>m<span class="blank _2"></span> o<span class="blank _1"> </span>s dados f<span class="blank _0"></span>o<span class="blank _1"> </span>rneci<span class="blank _0"></span>dos, <span class="blank _1"> </span>a m<span class="blank _0"></span>atr<span class="blank _1"> </span>i<span class="blank _0"></span>z deve t<span class="blank _1"> </span>er 3 li<span class="blank _2"></span>nhas e <span class="blank _1"> </span>duas co<span class="blank _1"> </span>l<span class="blank _2"></span>u<span class="blank _1"> </span>nas, o<span class="blank _1"> </span>u </span></div><div class="t m1 x1 h2 y49 ff1 fs0 fc0 sc0 ls5 ws8">seja, </div><div class="t m1 x26 h8 y4a ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x26 h8 y4b ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x26 h8 y4c ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x26 h8 y4d ff3 fs3 fc0 sc0 ls5">û</div><div class="t m1 x26 h8 y4e ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m1 x27 h8 y4a ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x27 h8 y4b ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x27 h8 y4c ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x27 h8 y4d ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m1 x27 h8 y4e ff3 fs3 fc0 sc0 ls5">é</div><div class="t m1 x28 h8 y49 ff3 fs3 fc0 sc0 ls5">=</div><div class="t m1 x29 h17 y4f ff1 fsb fc0 sc0 ls5 wsd">32<span class="blank _29"></span>31</div><div class="t m1 x29 h17 y50 ff1 fsb fc0 sc0 ls5 wsd">22<span class="blank _29"></span>21</div><div class="t m1 x29 h17 y51 ff1 fsb fc0 sc0 ls5 wsd">12<span class="blank _29"></span>11</div><div class="t m1 x2a h18 y52 ff4 fs3 fc0 sc0 ls5 ws0">a<span class="blank _27"></span>a</div><div class="t m1 x2a h18 y49 ff4 fs3 fc0 sc0 ls5 ws0">a<span class="blank _27"></span>a</div><div class="t m1 x2a h18 y53 ff4 fs3 fc0 sc0 ls5 ws0">a<span class="blank _27"></span>a</div><div class="t m1 x2b h2 y49 ff4 fs3 fc0 sc0 lsb">A<span class="ff1 fs0 ls5 ws8">. </span></div><div class="t m1 xe h2 y54 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 xe h2 y55 ff1 fs0 fc0 sc0 ls5 ws8">Subs<span class="blank _0"></span>t<span class="blank _1"> </span>i<span class="blank _0"></span>t<span class="blank _1"> </span>uin<span class="blank _0"></span>do-<span class="blank _1"> </span>se <span class="blank _2a"> </span>i<span class="blank _2"></span> <span class="blank _2a"> </span>e <span class="blank _2a"> </span>j <span class="blank _10"> </span>p<span class="blank _1"> </span>e<span class="blank _1"> </span>l<span class="blank _2"></span>o<span class="blank _1"> </span>s <span class="blank _2a"> </span>val<span class="blank _2"></span>o<span class="blank _1"> </span>res <span class="blank _2a"> </span>co<span class="blank _1"> </span>rr<span class="blank _1"> </span>esponden<span class="blank _2"></span>t<span class="blank _1"> </span>es, <span class="blank _10"> </span>para <span class="blank _2a"> </span>cada <span class="blank _10"> </span>e<span class="blank _1"> </span>lemento, <span class="blank _2a"> </span>o<span class="blank _1"> </span>b<span class="blank _2"></span>t<span class="blank _1"> </span>é<span class="blank _1"> </span>m<span class="blank _2"></span>-</div><div class="t m1 x1 h2 y56 ff1 fs0 fc0 sc0 ls5 ws8">se: <span class="blank _2b"> </span><span class="v4"> </span></div><div class="t m1 xe h12 y57 ff1 fs0 fc0 sc0 ls5 ws6">a<span class="fs7 wse v3">11</span><span class="ws8"> <span class="blank _1"> </span>= 2.1 </span><span class="ff6">\u2013</span><span class="ws8"> 1 + 1 = 2 a</span></div><div class="t m1 x2c h19 y58 ff1 fs7 fc0 sc0 ls5 wse">22<span class="fs0 ws8 v5"> <span class="blank _1"> </span>=<span class="blank _0"></span> 2.<span class="blank _1"> </span>2<span class="blank _0"></span> <span class="ff6 ls4">\u2013</span> 2 + 1 = 3 </span></div><div class="t m1 xe h12 y59 ff1 fs0 fc0 sc0 ls5 ws6">a<span class="fs7 wse v3">12</span><span class="ws8"> <span class="blank _1"> </span>= 2.1 </span><span class="ff6">\u2013</span><span class="ws8"> 2 + 1 = 1 a</span></div><div class="t m1 x2c h19 y5a ff1 fs7 fc0 sc0 ls5 wse">31<span class="fs0 ws8 v5"> <span class="blank _1"> </span>=<span class="blank _0"></span> 2.<span class="blank _1"> </span>3<span class="blank _0"></span> <span class="ff6 ls4">\u2013</span> 1 + 1 = 6 </span></div><div class="t m1 xe h12 y5b ff1 fs0 fc0 sc0 ls5 ws6">a<span class="fs7 wse v3">21</span><span class="ws8"> <span class="blank _1"> </span>= 2.2 </span><span class="ff6">\u2013</span><span class="ws8"> 1 + 1 = 4 a</span></div><div class="t m1 x2c h19 y5c ff1 fs7 fc0 sc0 ls5 wse">32<span class="fs0 ws8 v5"> <span class="blank _1"> </span>=<span class="blank _0"></span> 2.<span class="blank _1"> </span>3<span class="blank _0"></span> <span class="ff6 ls4">\u2013</span> 2 + 1 = 5 </span></div><div class="t m1 xe h2 y5d ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 xe h2 y5e ff1 fs0 fc0 sc0 ls5 ws8">Logo, </div><div class="t m1 x9 h8 y5f ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x9 h8 y60 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x9 h8 y61 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x9 h8 y62 ff3 fs3 fc0 sc0 ls5">û</div><div class="t m1 x9 h8 y14 ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m1 x2d h8 y5f ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x2d h8 y60 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x2d h8 y61 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x2d h8 y62 ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m1 x2d h8 y14 ff3 fs3 fc0 sc0 ls5">é</div><div class="t m1 x2e h8 y5e ff3 fs3 fc0 sc0 ls5">=</div><div class="t m1 x2f h9 y63 ff1 fs3 fc0 sc0 ls5 ws0">5<span class="blank _2c"></span>6</div><div class="t m1 x2f h9 y5e ff1 fs3 fc0 sc0 ls5 ws0">3<span class="blank _2c"></span>4</div><div class="t m1 x2f h9 y64 ff1 fs3 fc0 sc0 ls5 ws0">1<span class="blank _2c"></span>2</div><div class="t m1 x30 h2 y5e ff4 fs3 fc0 sc0 lsc">A<span class="ff1 fs0 ls5 ws8">. </span></div><div class="t m1 xe h2 y65 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x1 h6 y66 ff2 fs2 fc0 sc0 ls5 ws8">Exercíci<span class="blank _1"> </span>o<span class="blank _0"></span>s pr<span class="blank _1"> </span>opost<span class="blank _1"> </span>o<span class="blank _0"></span>s<span class="blank _1"> </span> </div><div class="t m1 x1 h6 y67 ff2 fs2 fc0 sc0 ls5 ws8"> </div><div class="t m1 x1 h2 y68 ff1 fs0 fc0 sc0 ls5 ws8">Q1. Determine a m<span class="blank _0"></span>atr<span class="blank _1"> </span>iz A = </div><div class="c x1c y69 w4 h1a"><div class="t m5 x4 h14 y6a ff3 fs8 fc0 sc0 ls5">[</div></div><div class="c x31 y69 w4 h1a"><div class="t m5 x4 h14 y6a ff3 fs8 fc0 sc0 ls5">]</div></div><div class="t m1 x32 h15 y6b ff1 fs9 fc0 sc0 ls5 wsa">2<span class="blank _28"></span>2<span class="blank"> </span><span class="ff4">x</span></div><div class="t m1 x33 h16 y6c ff4 fs9 fc0 sc0 ls5 wsb">ij</div><div class="t m1 x34 h2 y68 ff4 fsa fc0 sc0 lsd">a<span class="ff1 fs0 ls5 ws8"> tal<span class="blank _0"></span> que </span></div><div class="t m0 x35 h1b y68 ff4 fsc fc0 sc0 ls5 wsf">j<span class="blank _2d"></span>i<span class="blank _13"></span>a</div><div class="t m1 x36 h1c y6c ff4 fsd fc0 sc0 ls5">ij</div><div class="t m0 x8 h2 y68 ff3 fsc fc0 sc0 ls5 ws10">+<span class="blank _26"></span>=<span class="blank"> </span><span class="ff1 lse">2<span class="fs0 ls5 ws8">. </span></span></div><div class="t m0 x1 h2 y6d ff1 fs0 fc0 sc0 ls5 ws8">Q2. <span class="blank"> </span>Dada <span class="blank"> </span>a <span class="blank"> </span>matr<span class="blank _1"> </span>i<span class="blank _0"></span>z <span class="blank"> </span>A <span class="blank"> </span>= </div><div class="t m4 x37 h14 y6d ff3 fs8 fc0 sc0 ls5 ws9">[<span class="blank"> </span>]</div><div class="t m1 x38 h15 y6e ff1 fs9 fc0 sc0 ls5 wsa">7<span class="blank _2e"></span>5<span class="blank"> </span><span class="ff4">x</span></div><div class="t m1 x34 h16 y6f ff4 fs9 fc0 sc0 ls5 wsb">ij</div><div class="t m1 x39 h2 y6d ff4 fsa fc0 sc0 ls8">a<span class="ff1 fs0 ls5 ws8"> <span class="blank"> </span>t<span class="blank _1"> </span>al<span class="blank _0"></span> <span class="blank"> </span>que <span class="blank _2f"> </span>A<span class="blank _0"></span> <span class="blank"> </span>= </span></div><div class="t m6 x13 h1d y70 ff3 fse fc0 sc0 ls5">î</div><div class="t m6 x13 h1d y71 ff3 fse fc0 sc0 ls5">í</div><div class="t m6 x13 h1d y72 ff3 fse fc0 sc0 ls5">ì</div><div class="t m6 x3a h1d y73 ff3 fse fc0 sc0 ls5">+</div><div class="t m6 x3b h1d y74 ff3 fse fc0 sc0 ls5 ws11">+<span class="blank _24"></span>-</div><div class="t m6 x1d h1d y6d ff3 fse fc0 sc0 lsf">=<span class="ff4 ls5 ws11 v6">ímpar<span class="blank _30"></span>é<span class="blank _31"></span>j<span class="blank _2d"></span>i<span class="blank _14"></span>se<span class="blank _32"></span>ij</span></div><div class="t m6 x3c h1e y74 ff4 fse fc0 sc0 ls5 ws11">par<span class="blank _26"></span>é<span class="blank _31"></span>j<span class="blank _2d"></span>i<span class="blank _33"></span>se<span class="blank _34"></span>i</div><div class="t m6 x3d h1e y6d ff4 fse fc0 sc0 ls5">a</div><div class="t m1 x3e h1f y6f ff4 fsf fc0 sc0 ls5 ws12">ij</div><div class="t m6 x3f h20 y73 ff1 fse fc0 sc0 ls5 ws11">,<span class="blank _35"></span>2</div><div class="t m6 xf h20 y74 ff1 fse fc0 sc0 ls5">,</div><div class="t m1 x3f h21 y75 ff1 fsf fc0 sc0 ls5">2</div><div class="t m0 x40 h2 y6d ff1 fs0 fc0 sc0 ls5 ws8">, <span class="blank"> </span>det<span class="blank _1"> </span>ermi<span class="blank _2"></span>ne<span class="blank _1"> </span> </div><div class="t m0 x41 h22 y76 ff1 fs10 fc0 sc0 ls5 ws13">42<span class="blank _16"></span>32<span class="blank"> </span><span class="ff4 fs0 ws14 v7">a<span class="blank _36"></span>a<span class="blank"> </span><span class="ff3 ls10">+<span class="ff1 ls5 ws8">. </span></span></span></div><div class="t m0 x1 h2 y77 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y78 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h6 y79 ff2 fs2 fc0 sc0 ls5 ws8">Tipos es<span class="blank _1"> </span>peciais <span class="blank _1"> </span>de matrizes </div><div class="t m0 xe h6 y7a ff2 fs2 fc0 sc0 ls5 ws8"> </div><div class="t m0 xe h12 y7b ff2 fs0 fc0 sc0 ls5 ws8">a) <span class="blank _f"> </span>Matriz<span class="blank _0"></span> <span class="blank _f"> </span>quad<span class="blank _1"> </span>rada<span class="ff1 ls11"> <span class="ffa ls4">\u2013</span><span class="ff2"> </span><span class="ls5">é <span class="blank _f"> </span>aquel<span class="blank _2"></span>a <span class="blank _f"> </span>cu<span class="blank _1"> </span>j<span class="blank _2"></span>o<span class="blank _1"> </span> <span class="blank _f"> </span>número<span class="blank _1"> </span> <span class="blank _f"> </span>de <span class="blank _f"> </span>li<span class="blank _2"></span>nha<span class="blank _1"> </span>s <span class="blank _f"> </span>é <span class="blank _37"> </span>i<span class="blank _2"></span>gu<span class="blank _1"> </span>a<span class="blank _1"> </span>l<span class="blank _2"></span> <span class="blank _f"> </span>ao<span class="blank _1"> </span> <span class="blank _f"> </span>número <span class="blank _f"> </span>de </span></span></div><div class="t m0 x1 h2 y7c ff1 fs0 fc0 sc0 ls5 ws8">col<span class="blank _0"></span>u<span class="blank _1"> </span>n<span class="blank _0"></span>as. </div><div class="t m0 xe h2 y7d ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 xe h2 y7e ff1 fs0 fc0 sc0 ls5 ws8">Numa <span class="blank _2a"> </span>matr<span class="blank _1"> </span>i<span class="blank _0"></span>z <span class="blank _2a"> </span>quadrada<span class="blank _1"> </span> <span class="blank _2a"> </span>de <span class="blank _2a"> </span>o<span class="blank _1"> </span>rde<span class="blank _1"> </span>m<span class="blank _2"></span> <span class="blank _f"> </span>n<span class="blank _2"></span>,<span class="blank _1"> </span> <span class="blank _2a"> </span>o<span class="blank _1"> </span>s <span class="blank _2a"> </span>e<span class="blank _1"> </span>lemen<span class="blank _0"></span>to<span class="blank _1"> </span>s <span class="blank _2a"> </span>a<span class="fs7 wse v3">11</span>,<span class="blank _1"> </span> <span class="blank _2a"> </span>a<span class="fs7 wse v3">22</span></div><div class="t m0 x3b h2 y7e ff1 fs0 fc0 sc0 ls5 ws8">, <span class="blank _38"> </span>a<span class="fs7 wse v3">33</span>,<span class="blank _1"> </span> <span class="blank _10"> </span>.<span class="blank _1"> </span>.., <span class="blank _38"> </span>a<span class="fs7 ws7 v3">nn</span></div><div class="t m0 x42 h2 y7e ff1 fs0 fc0 sc0 ls5 ws8">, <span class="blank _38"> </span>isto <span class="blank _38"> </span>é, <span class="blank _38"> </span>o<span class="blank _1"> </span>s </div><div class="t m0 x1 h2 y7f ff1 fs0 fc0 sc0 ls5 ws8">el<span class="blank _0"></span>emento<span class="blank _1"> </span>s <span class="blank _38"> </span>a<span class="fs7 ws7 v3">ij</span> <span class="blank _38"> </span>co<span class="blank _1"> </span>m<span class="blank _2"></span> <span class="blank _f"> </span>i <span class="blank _2a"> </span>= <span class="blank _f"> </span>j<span class="blank _2"></span>, <span class="blank _f"> </span> <span class="blank _2a"> </span>co<span class="blank _1"> </span>nst<span class="blank _1"> </span>i<span class="blank _2"></span>t<span class="blank _1"> </span>uem <span class="blank _2a"> </span>a <span class="blank _38"> </span><span class="ff4">diagonal <span class="blank _f"> </span>principal</span> <span class="blank _38"> </span>da <span class="blank _f"> </span>m<span class="blank _2"></span>at<span class="blank _1"> </span>r<span class="blank _1"> </span>i<span class="blank _2"></span>z <span class="blank _38"> </span>e <span class="blank _f"> </span>os <span class="blank _38"> </span>elem<span class="blank _0"></span>ento<span class="blank _1"> </span>s <span class="blank _38"> </span>a<span class="fs7 wsc v3">ij<span class="blank"> </span></span> </div><div class="t m0 x1 h2 y80 ff1 fs0 fc0 sc0 ls5 ws8">para o<span class="blank _1"> </span>s<span class="blank _0"></span> qua<span class="blank _1"> </span>i<span class="blank _2"></span>s ver<span class="blank _1"> </span>ifi<span class="blank _0"></span>ca-se que <span class="blank _1"> </span>i<span class="blank _2"></span> + <span class="blank _1"> </span>j<span class="blank _0"></span> = <span class="blank _1"> </span>n+1 const<span class="blank _1"> </span>i<span class="blank _2"></span>t<span class="blank _1"> </span>uem<span class="blank _2"></span> <span class="blank _1"> </span>a <span class="ff4">diagonal <span class="blank _1"> </span>secundária</span> da matri<span class="blank _2"></span>z.<span class="blank _1"> </span> </div><div class="t m0 xe h2 y81 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x43 h2 y82 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 xe h2 y83 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h12 y84 ff1 fs0 fc0 sc0 lsa ws8"> <span class="ff2 ls5">b) <span class="blank _2a"> </span>M<span class="blank _1"> </span>a<span class="blank _0"></span>triz<span class="blank _2"></span> <span class="blank _2a"> </span>nu<span class="blank _1"> </span>la <span class="blank _10"> </span><span class="ff6 ls4">\u2013</span><span class="ff1"> <span class="blank _2a"> </span>é <span class="blank _10"> </span>aque<span class="blank _1"> </span>la <span class="blank _1"> </span>e<span class="blank _1"> </span>m <span class="blank _10"> </span>que <span class="blank _2a"> </span>to<span class="blank _1"> </span>dos <span class="blank _2a"> </span>os <span class="blank _2a"> </span>el<span class="blank _2"></span>e<span class="blank _1"> </span>mento<span class="blank _1"> </span>s <span class="blank _10"> </span>são <span class="blank _2a"> </span>nul<span class="blank _2"></span>o<span class="blank _1"> </span>s, <span class="blank _38"> </span>i<span class="blank _2"></span>st<span class="blank _1"> </span>o <span class="blank _2a"> </span>é, <span class="blank _2a"> </span>a<span class="fs7 ws7 v3">ij</span> <span class="blank _2a"> </span>= <span class="blank _10"> </span>0,<span class="blank _1"> </span> </span></span></div><div class="t m0 x1 h2 y85 ff1 fs0 fc0 sc0 ls5 ws8">para todo <span class="blank _1"> </span>i<span class="blank _2"></span> e <span class="blank _1"> </span>j<span class="blank _0"></span>. É<span class="blank _1"> </span> com<span class="blank _2"></span>u<span class="blank _1"> </span>m<span class="blank _0"></span> <span class="blank _1"> </span>indicar-se a matr<span class="blank _1"> </span>i<span class="blank _2"></span>z <span class="blank _1"> </span>nula por </div><div class="t m7 x44 h14 y85 ff3 fs8 fc0 sc0 ls5 ws15">[<span class="blank"> </span>]</div><div class="t m1 x3a h16 y86 ff4 fs9 fc0 sc0 ls5 wsb">n<span class="blank _1a"></span>m</div><div class="t m1 xf h16 y87 ff4 fs9 fc0 sc0 ls5 wsb">ij</div><div class="t m1 x45 h23 y85 ff4 fsa fc0 sc0 ls12">O<span class="ff3 fs9 ls5 v8">´</span></div><div class="t m1 x46 h24 y85 ff3 fsa fc0 sc0 ls13">=<span class="ff1 ls14">0<span class="fs0 ls5 ws8">. </span></span></div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls5 ws8">3 </div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h12 y88 ff1 fs0 fc0 sc0 lsa ws8"> <span class="ff2 ls5">c) M<span class="blank _1"> </span>atr<span class="blank _2"></span>i<span class="blank _1"> </span>z tr<span class="blank _0"></span>iangu<span class="blank _1"> </span>lar <span class="ff6 ls4">\u2013</span><span class="ff1"> é u<span class="blank _1"> </span>ma m<span class="blank _0"></span>atr<span class="blank _1"> </span>i<span class="blank _0"></span>z quadrada <span class="blank _1"> </span>na qua<span class="blank _1"> </span>l<span class="blank _2"></span> t<span class="blank _1"> </span>o<span class="blank _1"> </span>dos os elementos acima </span></span></div><div class="t m0 x1 h2 y89 ff1 fs0 fc0 sc0 ls5 ws8">ou abaix<span class="blank _2"></span>o<span class="blank _1"> </span> da <span class="blank _1"> </span>di<span class="blank _0"></span>agonal pr<span class="blank _1"> </span>in<span class="blank _2"></span>c<span class="blank _1"> </span>ipal são nul<span class="blank _0"></span>os.<span class="blank _1"> </span> </div><div class="t m0 x1 h2 y8a ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x47 h2 y8b ff8 fs0 fc0 sc0 ls5 ws8">superi<span class="blank _1"> </span>or<span class="blank _39"></span> <span class="blank _20"></span>triangul<span class="blank _1"> </span>ar<span class="blank _1e"></span> <span class="blank _3a"></span>Matriz<span class="blank _3b"></span> <span class="blank _3c"></span> <span class="blank _3d"></span>infer<span class="blank _1"> </span>i<span class="blank _1"> </span>or<span class="blank _3e"></span> <span class="blank _1e"></span>tri<span class="blank _1"> </span>angul<span class="blank _1"> </span>ar<span class="blank _1e"></span> <span class="blank _3a"></span>M<span class="blank _0"></span>atri<span class="blank _1"> </span>z</div><div class="t m0 x48 h25 y8c ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x48 h25 y53 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x48 h25 y8d ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x48 h25 y8e ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x48 h25 y8f ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x48 h25 y90 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x49 h25 y8c ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x49 h25 y53 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x49 h25 y8d ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x49 h25 y8e ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x49 h25 y8f ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x49 h26 y90 ff3 fs0 fc0 sc0 ls15">é<span class="ls5 v9">-</span></div><div class="t m0 x4a h25 y91 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x4a h25 y92 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x4a h25 y93 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x4a h25 y4c ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x4a h25 y94 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x4b h25 y91 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x4b h25 y92 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x4b h25 y93 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x4b h25 y4c ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x4b h25 y94 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x4c h2 y95 ff1 fs0 fc0 sc0 ls5 ws6">8<span class="blank _34"></span>0<span class="blank _3f"></span>0<span class="blank _3f"></span>0</div><div class="t m0 x4c h2 y96 ff1 fs0 fc0 sc0 ls5 ws6">5<span class="blank _34"></span>6<span class="blank _3f"></span>0<span class="blank _3f"></span>0</div><div class="t m0 x4d h2 y97 ff1 fs0 fc0 sc0 ls5 ws6">2<span class="blank _40"></span>3<span class="blank _3f"></span>4<span class="blank _41"></span>0</div><div class="t m0 x4d h2 y98 ff1 fs0 fc0 sc0 ls5 ws6">1<span class="blank _18"></span>0<span class="blank _32"></span>1<span class="blank _2c"></span>2</div><div class="t m0 x1c h2 y99 ff1 fs0 fc0 sc0 ls5 ws6">5<span class="blank _3f"></span>0<span class="blank _41"></span>9</div><div class="t m0 x1c h2 y9a ff1 fs0 fc0 sc0 ls5 ws6">0<span class="blank _3f"></span>3<span class="blank _3f"></span>4</div><div class="t m0 x1c h2 y9b ff1 fs0 fc0 sc0 ls5 ws6">0<span class="blank _3f"></span>0<span class="blank _41"></span>1</div><div class="t m0 x4e h2 y9c ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x2 h2 y9d ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h12 y9e ff1 fs0 fc0 sc0 lsa ws8"> <span class="ff2 ls5">d) <span class="blank _10"> </span>M<span class="blank _1"> </span>a<span class="blank _0"></span>triz <span class="blank _1"> </span>diagonal<span class="ff1 ls16"> <span class="ff6 ls4">\u2013</span><span class="ls5"> <span class="blank _10"> </span>é <span class="blank _10"> </span>u<span class="blank _1"> </span>ma <span class="blank _10"> </span>matr<span class="blank _1"> </span>i<span class="blank _2"></span>z <span class="blank _10"> </span>quadrada <span class="blank _10"> </span>em <span class="blank _10"> </span>que <span class="blank _10"> </span>to<span class="blank _1"> </span>dos <span class="blank _10"> </span>os <span class="blank _10"> </span>elemento<span class="blank _1"> </span>s <span class="blank _1"> </span>acima </span></span></span></div><div class="t m0 x1 h2 y9f ff1 fs0 fc0 sc0 ls5 ws8">e abaix<span class="blank _2"></span>o<span class="blank _1"> </span> da d<span class="blank _1"> </span>i<span class="blank _0"></span>agonal pr<span class="blank _1"> </span>in<span class="blank _2"></span>c<span class="blank _1"> </span>ipal são <span class="blank _1"> </span>nul<span class="blank _2"></span>o<span class="blank _1"> </span>s. </div><div class="t m0 x1 h2 ya0 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h12 ya1 ff1 fs0 fc0 sc0 lsa ws8"> <span class="ff2 ls5">e) <span class="blank _f"> </span>Matr<span class="blank _2"></span>i<span class="blank _1"> </span>z <span class="blank _38"> </span>ident<span class="blank _1"> </span>idade<span class="ff1 ls17"> <span class="ff6 ls4">\u2013</span><span class="ls5"> <span class="blank _f"> </span>é <span class="blank _f"> </span>um<span class="blank _2"></span>a <span class="blank _f"> </span>m<span class="blank _0"></span>atr<span class="blank _1"> </span>i<span class="blank _2"></span>z <span class="blank _f"> </span>diagona<span class="blank _1"> </span>l<span class="blank _2"></span> <span class="blank _f"> </span>em <span class="blank _f"> </span>que <span class="blank _38"> </span>to<span class="blank _1"> </span>dos <span class="blank _f"> </span>os <span class="blank _f"> </span>el<span class="blank _2"></span>emento<span class="blank _1"> </span>s <span class="blank _38"> </span>da<span class="blank _1"> </span> </span></span></span></div><div class="t m0 x1 h2 ya2 ff1 fs0 fc0 sc0 ls5 ws8">diagon<span class="blank _0"></span>al pr<span class="blank _1"> </span>in<span class="blank _0"></span>cipal são <span class="blank _1"> </span>i<span class="blank _0"></span>guais a 1. <span class="blank _1"> </span>Indi<span class="blank _2"></span>ca-<span class="blank _1"> </span>se a <span class="blank _1"> </span>m<span class="blank _2"></span>at<span class="blank _1"> </span>riz iden<span class="blank _0"></span>t<span class="blank _1"> </span>i<span class="blank _0"></span>dade de o<span class="blank _1"> </span>rdem<span class="blank _2"></span> <span class="blank _1"> </span>n por <span class="blank _1"> </span>I<span class="fs7 v3">n</span></div><div class="t m0 x4f h2 ya2 ff1 fs0 fc0 sc0 ls5 ws8">. </div><div class="t m0 x1 h2 ya3 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x50 h2 ya4 ff8 fs0 fc0 sc0 ls5 ws8">identi<span class="blank _10"> </span>dade<span class="blank _42"></span> <span class="blank _3a"></span>M<span class="blank _0"></span>atri<span class="blank _1"> </span>z<span class="blank _43"></span> <span class="blank _3c"></span> <span class="blank _44"></span>di<span class="blank _1"> </span>agonal<span class="blank _45"></span> <span class="blank _3a"></span>Matri<span class="blank _1"> </span>z</div><div class="t m0 x51 h25 ya5 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x51 h25 ya6 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x51 h25 ya7 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x51 h25 ya8 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x51 h25 ya9 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x51 h25 yaa ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x14 h25 ya5 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x14 h25 ya6 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x14 h25 ya7 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x14 h25 ya8 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x14 h25 ya9 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x14 h25 yaa ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x13 h25 yab ff3 fs0 fc0 sc0 ls5">=</div><div class="t m0 x33 h25 yac ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x33 h25 yad ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x33 h25 yae ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x33 h25 yaf ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x33 h25 yb0 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x52 h25 yac ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x52 h25 yad ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x52 h25 yae ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x52 h25 yaf ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x52 h25 yb0 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x53 h2 yb1 ff1 fs0 fc0 sc0 ls5 ws6">1<span class="blank _2c"></span>0<span class="blank _41"></span>0<span class="blank _2c"></span>0</div><div class="t m0 x53 h2 yb2 ff1 fs0 fc0 sc0 ls5 ws6">0<span class="blank _41"></span>1<span class="blank _3f"></span>0<span class="blank _2c"></span>0</div><div class="t m0 x53 h2 yb3 ff1 fs0 fc0 sc0 ls5 ws6">0<span class="blank _3f"></span>0<span class="blank _41"></span>1<span class="blank _2c"></span>0</div><div class="t m0 x53 h2 yb4 ff1 fs0 fc0 sc0 ls5 ws6">0<span class="blank _3f"></span>0<span class="blank _41"></span>0<span class="blank _2c"></span>1</div><div class="t m0 x54 h2 yb5 ff1 fs0 fc0 sc0 ls5 ws6">5<span class="blank _3f"></span>0<span class="blank _3f"></span>0</div><div class="t m0 x54 h2 yab ff1 fs0 fc0 sc0 ls5 ws6">0<span class="blank _3f"></span>3<span class="blank _3f"></span>0</div><div class="t m0 x54 h2 yb6 ff1 fs0 fc0 sc0 ls5 ws6">0<span class="blank _3f"></span>0<span class="blank _41"></span>1</div><div class="t m0 x1d h27 yb7 ff1 fs10 fc0 sc0 ls5">4</div><div class="t m0 x3e h28 yab ff4 fs0 fc0 sc0 ls18">I<span class="ff1 ls5 ws8 va"> </span></div><div class="t m0 x2 h2 yb8 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h12 yb9 ff1 fs0 fc0 sc0 lsa ws8"> <span class="ff2 ls5">f) Mat<span class="blank _1"> </span>r<span class="blank _0"></span>iz<span class="blank _0"></span> linha <span class="ff6 ls4">\u2013</span><span class="ff1"> <span class="blank _1"> </span>é aquel<span class="blank _0"></span>a que po<span class="blank _1"> </span>ssui<span class="blank _2"></span> <span class="blank _1"> </span>apenas 1 <span class="blank _1"> </span>l<span class="blank _0"></span>inha (m<span class="blank _0"></span> = 1)<span class="blank _1"> </span>. </span></span></div><div class="t m0 x1 h2 yba ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h12 ybb ff1 fs0 fc0 sc0 lsa ws8"> <span class="ff2 ls5">g) Matriz<span class="blank _0"></span> co<span class="blank _1"> </span>l<span class="blank _0"></span>una <span class="blank _1"> </span><span class="ff6 ls4">\u2013</span><span class="ff1"> é aquela que possui um<span class="blank _0"></span>a ú<span class="blank _1"> </span>ni<span class="blank _0"></span>ca <span class="blank _1"> </span>col<span class="blank _0"></span>una (n = 1) </span></span></div><div class="t m0 x2 h2 ybc ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h12 ybd ff1 fs0 fc0 sc0 lsa ws8"> <span class="ff2 ls5">h) Mat<span class="blank _1"> </span>r<span class="blank _0"></span>iz<span class="blank _0"></span> si<span class="blank _1"> </span>métrica <span class="ff6 ls4">\u2013</span><span class="ff1"> é um<span class="blank _2"></span>a <span class="blank _1"> </span>matr<span class="blank _1"> </span>i<span class="blank _0"></span>z quadrada na qual<span class="blank _0"></span> se <span class="blank _1"> </span>verifi<span class="blank _0"></span>ca que a<span class="fs7 ws7 v3">ij</span> = a<span class="fs7 ws7 v3">ji</span>. <span class="blank _1"> </span> </span></span></div><div class="t m0 x1 h2 ybe ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m8 x55 h29 ybf ff3 fs11 fc0 sc0 ls5 ws16">[<span class="blank"> </span>]</div><div class="t m0 x56 h2 yc0 ff8 fs0 fc0 sc0 ls5 ws8">simétrica<span class="blank _24"></span> <span class="blank _3a"></span>m<span class="blank _2"></span>atri<span class="blank _1"> </span>z<span class="blank _46"></span> <span class="blank _47"></span> <span class="blank _48"></span>col<span class="blank _1"> </span>una<span class="blank _49"></span> <span class="blank _4a"></span>m<span class="blank _2"></span>atr<span class="blank _1"> </span>iz<span class="blank _4b"></span> <span class="blank _4c"></span> <span class="blank _4d"></span>li<span class="blank _1"> </span>nha<span class="blank _26"></span> <span class="blank _4a"></span>m<span class="blank _2"></span>atr<span class="blank _1"> </span>iz</div><div class="t m0 x4e h25 yc1 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x4e h25 yc2 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x4e h25 yc3 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x4e h25 yc4 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x4e h25 yc5 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x4e h25 yc6 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x57 h25 yc1 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x57 h25 yc2 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x57 h25 yc3 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x57 h25 yc4 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x57 h25 yc5 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x57 h25 yc6 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x2 h25 yc7 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x2 h25 yc8 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x2 h25 yc9 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x2 h25 yca ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x2 h25 ycb ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x58 h25 yc7 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x58 h25 yc8 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x58 h25 yc9 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x58 h25 yca ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x58 h25 ycb ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x59 h28 ycc ff4 fs0 fc0 sc0 ls5 ws6">o<span class="blank _4e"></span>h<span class="blank _4f"></span>g<span class="blank _50"></span>d</div><div class="t m0 x59 h28 y79 ff4 fs0 fc0 sc0 ls5 ws6">h<span class="blank _51"></span>i<span class="blank _3f"></span>f<span class="blank _3f"></span>c</div><div class="t m0 x59 h28 ycd ff4 fs0 fc0 sc0 ls5 ws6">g<span class="blank _51"></span>f<span class="blank _32"></span>e<span class="blank _4e"></span>b</div><div class="t m0 x59 h28 yce ff4 fs0 fc0 sc0 ls5 ws6">d<span class="blank _51"></span>c<span class="blank _50"></span>b<span class="blank _4e"></span>a</div><div class="t m0 x5a h2 ycf ff1 fs0 fc0 sc0 ls5">11</div><div class="t m0 x2c h2 yd0 ff1 fs0 fc0 sc0 ls5">9</div><div class="t m0 x2c h2 yd1 ff1 fs0 fc0 sc0 ls5">5</div><div class="t m0 x4b h2 yd0 ff1 fs0 fc0 sc0 ls5 ws17">7<span class="blank _52"></span>1<span class="blank _52"></span>0<span class="blank _3f"></span>2<span class="blank"> </span><span class="ws8 va"> </span></div><div class="t m0 x2 h2 yd2 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h6 yd3 ff2 fs2 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h6 yd4 ff2 fs2 fc0 sc0 ls5 ws8">Igualdade <span class="blank _1"> </span>de matrizes<span class="blank _1"> </span> </div><div class="t m0 x1 h6 yd5 ff2 fs2 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 yd6 ff1 fs0 fc0 sc0 ls5 ws8"> <span class="blank _3"> </span>Duas <span class="blank _10"> </span>matrizes<span class="blank _0"></span> <span class="blank _10"> </span>A <span class="blank _10"> </span>e <span class="blank _10"> </span>B <span class="blank _2a"> </span>são <span class="blank _10"> </span>d<span class="blank _1"> </span>i<span class="blank _2"></span>t<span class="blank _1"> </span>as <span class="blank _1"> </span><span class="ff4 ws6">iguais</span> <span class="blank _10"> </span>se, <span class="blank _10"> </span>e <span class="blank _1"> </span>so<span class="blank _10"> </span>men<span class="blank _0"></span>te <span class="blank _10"> </span>se, <span class="blank _1"> </span>t<span class="blank _1"> </span>êm <span class="blank _1"> </span>o<span class="blank _1"> </span> <span class="blank _10"> </span>mesm<span class="blank _2"></span>o<span class="blank _1"> </span> <span class="blank _1"> </span>t<span class="blank _1"> </span>a<span class="blank _1"> </span>m<span class="blank _2"></span>a<span class="blank _1"> </span>nho <span class="blank _2a"> </span>e </div><div class="t m0 x1 h2 yd7 ff1 fs0 fc0 sc0 ls5 ws8">seus<span class="blank _0"></span> e<span class="blank _1"> </span>lemen<span class="blank _0"></span>t<span class="blank _1"> </span>os corresponden<span class="blank _2"></span>t<span class="blank _1"> </span>es são <span class="blank _1"> </span>i<span class="blank _2"></span>gua<span class="blank _1"> </span>is<span class="blank _0"></span>.<span class="blank _1"> </span> </div><div class="t m0 x1 h2 yd8 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h5 yd9 ff2 fs0 fc0 sc0 ls5 ws8">Determinando incógnitas <span class="blank _1"> </span>par<span class="blank _0"></span>a que duas matrizes sejam<span class="blank _0"></span> iguais<span class="blank _1"> </span> </div><div class="t m0 x1 h5 yda ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 ydb ff7 fs0 fc0 sc0 ls6">§<span class="ff8 ls7 ws8"> <span class="ff1 ls5">Determine a, b, c e d, sabendo que <span class="blank _53"> </span><span class="ff3 vb">ú</span></span></span></div><div class="t m0 x47 h25 ydc ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x47 h25 ydd ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x5b h25 yde ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x5b h25 ydc ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x5b h25 ydd ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x5c h25 ydf ff3 fs0 fc0 sc0 ls5">-</div><div class="t m0 x5d h25 ye0 ff3 fs0 fc0 sc0 ls5">=</div><div class="t m0 x5e h25 yde ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x5e h25 ydc ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x5e h25 ydd ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x5f h25 yde ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x5f h25 ydc ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x5f h25 ydd ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x8 h25 ydf ff3 fs0 fc0 sc0 ls5 ws6">+<span class="blank _54"></span>+</div><div class="t m0 x60 h25 ye1 ff3 fs0 fc0 sc0 ls5 ws6">-<span class="blank _55"></span>+</div><div class="t m0 x4c h2 ydf ff1 fs0 fc0 sc0 ls5 ws6">8<span class="blank _56"></span>3</div><div class="t m0 x4c h2 ye1 ff1 fs0 fc0 sc0 ls5 ws6">0<span class="blank _51"></span>1</div><div class="t m0 x61 h2 ydf ff1 fs0 fc0 sc0 ls5 ws18">3<span class="blank _39"></span>2<span class="blank"> </span><span class="ff4 ws6">d<span class="blank _2c"></span>c<span class="blank _26"></span>b<span class="blank _41"></span>a</span></div><div class="t m0 x62 h28 ye1 ff4 fs0 fc0 sc0 ls5 ws19">d<span class="blank _2c"></span>c<span class="blank _36"></span>b<span class="blank _41"></span>a<span class="blank"> </span><span class="ff1 ls9 va">.</span><span class="ff2 ws8 va"> </span></div><div class="t m0 x1 h2 ye2 ff1 fs0 fc0 sc0 lsa ws8"> <span class="ls5 v4">Da defini<span class="blank _0"></span>ção<span class="blank _1"> </span> de i<span class="blank _0"></span>gualdade de <span class="blank _1"> </span>matri<span class="blank _2"></span>ze<span class="blank _1"> </span>s segue que </span></div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x29 ye3 w5 h2a" alt="" src="https://files.passeidireto.com/149d3ac4-622c-4313-8c0e-1d7a32309792/bg4.png"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls5 ws8">4 </div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x28 h25 ye4 ff3 fs0 fc0 sc0 ls5">î</div><div class="t m0 x28 h25 ye5 ff3 fs0 fc0 sc0 ls5">í</div><div class="t m0 x28 h25 ye6 ff3 fs0 fc0 sc0 ls5">ì</div><div class="t m0 x29 h25 y6 ff3 fs0 fc0 sc0 ls5 ws6">-<span class="blank _57"></span>=<span class="blank _58"></span>+</div><div class="t m0 x63 h25 ye7 ff3 fs0 fc0 sc0 ls5 ws6">=<span class="blank _58"></span>+</div><div class="t m0 x64 h2 y6 ff1 fs0 fc0 sc0 ls5 ws6">3<span class="blank _59"></span>2</div><div class="t m0 x65 h2 ye7 ff1 fs0 fc0 sc0 ls5">1</div><div class="t m0 x21 h28 y6 ff4 fs0 fc0 sc0 ls5 ws6">b<span class="blank _32"></span>a</div><div class="t m0 x66 h28 ye7 ff4 fs0 fc0 sc0 ls5 ws1a">b<span class="blank _32"></span>a<span class="blank"> </span><span class="ff1 ws8 va"> <span class="blank _1"> </span> e <span class="blank _f"> </span></span><span class="ff3 v1">î</span></div><div class="t m0 x67 h25 ye5 ff3 fs0 fc0 sc0 ls5">í</div><div class="t m0 x67 h25 ye6 ff3 fs0 fc0 sc0 ls5">ì</div><div class="t m0 x36 h25 y6 ff3 fs0 fc0 sc0 ls5 ws6">=<span class="blank _5a"></span>+</div><div class="t m0 x68 h25 ye7 ff3 fs0 fc0 sc0 ls5 ws6">=<span class="blank _4f"></span>-</div><div class="t m0 x12 h2 y6 ff1 fs0 fc0 sc0 ls5 ws6">8<span class="blank _5b"></span>3</div><div class="t m0 x69 h2 ye7 ff1 fs0 fc0 sc0 ls5">0</div><div class="t m0 x1e h28 y6 ff4 fs0 fc0 sc0 ls5 ws6">d<span class="blank _3f"></span>c</div><div class="t m0 xb h28 ye7 ff4 fs0 fc0 sc0 ls5 ws1b">d<span class="blank _2c"></span>c<span class="blank"> </span><span class="ff1 ws8 va"> </span></div><div class="t m0 xe h2 ye8 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 xe h12 ye9 ff1 fs0 fc0 sc0 ls5 ws8">So<span class="blank _1"> </span>l<span class="blank _2"></span>uc<span class="blank _1"> </span>i<span class="blank _2"></span>o<span class="blank _10"> </span>n<span class="blank _0"></span>ando-<span class="blank _1"> </span>se os si<span class="blank _2"></span>st<span class="blank _1"> </span>e<span class="blank _1"> </span>m<span class="blank _0"></span>as acima, encontra-se a = <span class="ff6 ls4">\u2013</span>4, <span class="blank _1"> </span>b<span class="blank _0"></span> = 5, c <span class="blank _1"> </span>=<span class="blank _2"></span> <span class="blank _1"> </span>2 e d = 2. </div><div class="t m0 x1 h2 yea ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h6 yeb ff2 fs2 fc0 sc0 ls5 ws8">Operaç<span class="blank _1"> </span>ões com matri<span class="blank _1"> </span>zes </div><div class="t m0 x1 h6 yec ff2 fs2 fc0 sc0 ls19 ws8"> <span class="fs0 ls5 ws6 v4">a)<span class="ffb ls1a ws8"> <span class="ff2 ls5">Adição <span class="blank _1"> </span>e <span class="blank _1"> </span>subt<span class="blank _1"> </span>ração<span class="blank _0"></span><span class="ff1">: <span class="blank _10"> </span>A ad<span class="blank _1"> </span>ição <span class="blank _1"> </span>e <span class="blank _1"> </span>su<span class="blank _1"> </span>b<span class="blank _0"></span>t<span class="blank _1"> </span>ração <span class="blank _1"> </span>de <span class="blank _1"> </span>duas <span class="blank _1"> </span>matr<span class="blank _1"> </span>i<span class="blank _2"></span>z<span class="blank _1"> </span>es <span class="blank _1"> </span>A<span class="fs7 v3">m <span class="blank _1"> </span>x <span class="blank _10"> </span>n <span class="blank _1"> </span></span> <span class="blank _1"> </span>e <span class="blank _10"> </span>B <span class="blank _10"> </span><span class="fs7 v3">m <span class="blank _1"> </span>x <span class="blank _1"> </span>n<span class="blank _1"> </span> <span class="blank _1"> </span>, </span></span></span></span></span></div><div class="t m0 x6a h2 yed ff1 fs0 fc0 sc0 ls5 ws8">de <span class="blank _1"> </span>m<span class="blank _2"></span>e<span class="blank _1"> </span>sma or<span class="blank _1"> </span>dem<span class="blank _2"></span>, <span class="blank _1"> </span>é u<span class="blank _1"> </span>m<span class="blank _0"></span>a <span class="blank _1"> </span>matriz C<span class="fs7 v3"> m <span class="blank _1"> </span>x n</span></div><div class="t m0 x6b h2 yed ff1 fs0 fc0 sc0 ls5 ws8"> cu<span class="blank _1"> </span>j<span class="blank _2"></span>o<span class="blank _10"> </span>s elemento<span class="blank _1"> </span>s são o<span class="blank _1"> </span>b<span class="blank _0"></span>t<span class="blank _1"> </span>i<span class="blank _2"></span>do<span class="blank _1"> </span>s pela soma </div><div class="t m0 x6a h2 yee ff1 fs0 fc0 sc0 ls5 ws8">ou diferen<span class="blank _0"></span>ça do<span class="blank _1"> </span>s el<span class="blank _0"></span>emento<span class="blank _1"> </span>s corresponden<span class="blank _2"></span>t<span class="blank _1"> </span>es de A e <span class="blank _1"> </span>B, respectivamen<span class="blank _0"></span>t<span class="blank _1"> </span>e. </div><div class="t m0 xe h5 yef ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 xe h5 yf0 ff2 fs0 fc0 sc0 ls1b ws8"> <span class="ls5 v4">Propriedades<span class="blank _0"></span> da <span class="blank _1"> </span>adição </span></div><div class="t m0 x6a h5 yf1 ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x6a h2 yf2 ff1 fs0 fc0 sc0 ls5 ws8">Dadas <span class="blank _5c"> </span>as <span class="blank"> </span>m<span class="blank _2"></span>at<span class="blank _1"> </span>rizes <span class="blank _5d"> </span>A<span class="blank _0"></span>, <span class="blank _5d"> </span>B <span class="blank _5d"> </span>e <span class="blank _5c"> </span>C, <span class="blank _5d"> </span>de <span class="blank"> </span>m<span class="blank _0"></span>esma <span class="blank _5c"> </span>o<span class="blank _1"> </span>rdem<span class="blank _0"></span>,<span class="blank _1"> </span> <span class="blank _5d"> </span>são <span class="blank _5d"> </span>válidas<span class="blank _0"></span> <span class="blank _5c"> </span>a<span class="blank _1"> </span>s <span class="blank _5c"> </span>segu<span class="blank _1"> </span>i<span class="blank _0"></span>ntes<span class="blank _1"> </span> </div><div class="t m0 x6a h2 yf3 ff1 fs0 fc0 sc0 ls5 ws8">pro<span class="blank _1"> </span>pri<span class="blank _2"></span>edades para a <span class="blank _1"> </span>adi<span class="blank _0"></span>ção de <span class="blank _1"> </span>matri<span class="blank _2"></span>ze<span class="blank _1"> </span>s: </div><div class="t m0 x6a h2 yf4 ff1 fs0 fc0 sc0 ls1c ws8"> <span class="ls5 vc">i) Com<span class="blank _0"></span>utat<span class="blank _1"> </span>iv<span class="blank _0"></span>a <span class="blank _5e"> </span>A<span class="blank _0"></span> + B <span class="blank _1"> </span>= B + A </span></div><div class="t m0 x64 h2 yf5 ff1 fs0 fc0 sc0 ls5 ws8">ii<span class="blank _2"></span>)<span class="blank _1"> </span> <span class="blank _1"> </span>As<span class="blank _0"></span>soc<span class="blank _1"> </span>iativa <span class="blank _5f"> </span>(A+B<span class="blank _0"></span>) + <span class="blank _1"> </span>C = A + (B + C) </div><div class="t m0 x64 h2 yf6 ff1 fs0 fc0 sc0 ls5 ws8">iii<span class="blank _2"></span>)<span class="blank _1"> </span> E<span class="blank _1"> </span>l<span class="blank _2"></span>e<span class="blank _1"> </span>mento<span class="blank _1"> </span> neutro <span class="blank _60"> </span>A<span class="blank _0"></span> + 0 <span class="blank _1"> </span>= 0 + <span class="blank _1"> </span>A<span class="blank _0"></span> = A </div><div class="t m0 x64 h2 yf7 ff1 fs0 fc0 sc0 ls5 ws8">iv) Cancelamen<span class="blank _0"></span>t<span class="blank _1"> </span>o <span class="blank _61"> </span><span class="vd">A<span class="blank _0"></span> = B </span></div><div class="c x15 yf8 w6 h2b"><div class="t m0 x4 h25 yf9 ff3 fs0 fc0 sc0 ls5">Û</div></div><div class="t m0 x3e h2 yfa ff1 fs0 fc0 sc0 ls5 ws8"> A + C = B + <span class="blank _1"> </span>C<span class="blank _2"></span> </div><div class="t m0 x6a h2 yfb ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 xe h2 yfc ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 xe h5 yfd ff2 fs0 fc0 sc0 ls5 ws6">b)<span class="ffb ls1d ws8"> </span><span class="ws8">Multiplicação <span class="blank _2a"> </span>de <span class="blank _f"> </span>um<span class="blank _0"></span> <span class="blank _38"> </span>número <span class="blank _f"> </span>r<span class="blank _2"></span>ea<span class="blank _1"> </span>l <span class="blank _2a"> </span>po<span class="blank _1"> </span>r <span class="blank _38"> </span>uma <span class="blank _38"> </span>matriz: <span class="blank _38"> </span><span class="ff1">Se<span class="blank _1"> </span>j<span class="blank _2"></span>a </span></span></div><div class="c x42 yfe w4 h2c"><div class="t m7 x4 h14 y6a ff3 fs8 fc0 sc0 ls5">[</div></div><div class="c x6c yfe w4 h2c"><div class="t m7 x4 h14 y6a ff3 fs8 fc0 sc0 ls5">]</div></div><div class="t m1 x6d h16 yff ff4 fs9 fc0 sc0 ls5 wsb">n<span class="blank _1a"></span>m</div><div class="t m1 xd h16 y100 ff4 fs9 fc0 sc0 ls5 wsb">ij</div><div class="t m1 x6e h23 yfd ff4 fsa fc0 sc0 ls5 ws1c">a<span class="blank _16"></span>A<span class="blank"> </span><span class="ff3 fs9 v8">´</span></div><div class="t m1 x6f h2 yfd ff3 fsa fc0 sc0 ls1e">=<span class="ff1 fs0 ls5 ws8">e <span class="blank _38"> </span><span class="ff3 ls1f">a</span> </span></div><div class="t m1 x6a h2 y101 ff1 fs0 fc0 sc0 ls5 ws8">um <span class="blank"> </span>número <span class="blank"> </span>rea<span class="blank _1"> </span>l<span class="blank _2"></span>.<span class="blank _1"> </span> <span class="blank"> </span>A <span class="blank"> </span>matr<span class="blank _1"> </span>i<span class="blank _0"></span>z <span class="blank"> </span><span class="ff3 ls1f">a</span>A, <span class="blank _2f"> </span>m<span class="blank _2"></span> <span class="blank _2f"> </span>x <span class="blank"> </span>n, <span class="blank"> </span>é <span class="blank"> </span>a <span class="blank"> </span>mat<span class="blank _1"> </span>ri<span class="blank _0"></span>z <span class="blank"> </span>cuj<span class="blank _0"></span>o<span class="blank _1"> </span>s <span class="blank"> </span>elemento<span class="blank _1"> </span>s <span class="blank"> </span>são </div><div class="t m1 x6a h2 y102 ff1 fs0 fc0 sc0 ls5">b</div><div class="t m1 x3 h2d y103 ff1 fs7 fc0 sc0 ls5 wsc">ij<span class="fs0 ws8 v5"> <span class="blank _1"> </span>=<span class="ff3 ws6">a<span class="ff1">.a</span></span></span><span class="ws7">ij<span class="fs0 ws8 v5">. </span></span></div><div class="t m1 x1 h2 y104 ff1 fs0 fc0 sc0 ls20 ws8"> <span class="ls5 ve">Se <span class="blank _10"> </span><span class="ff3 ws6">a</span> <span class="blank _10"> </span>= <span class="blank _10"> </span><span class="ff6 ls4">\u2013</span>1, <span class="blank _10"> </span>o<span class="blank _1"> </span>bté<span class="blank _1"> </span>m<span class="blank _2"></span>-se <span class="blank _10"> </span>a <span class="blank _2a"> </span>matr<span class="blank _1"> </span>i<span class="blank _0"></span>z <span class="blank _10"> </span><span class="ff4 ws6">oposta</span> <span class="blank _10"> </span>d<span class="blank _1"> </span>e <span class="blank _10"> </span>A, <span class="blank _10"> </span>isto<span class="blank _1"> </span> <span class="blank _10"> </span>é, <span class="blank _1"> </span>a <span class="blank _2a"> </span>matr<span class="blank _1"> </span>i<span class="blank _2"></span>z <span class="blank _10"> </span>que<span class="blank _1"> </span> <span class="blank _1"> </span>so<span class="blank _10"> </span>m<span class="blank _2"></span>ad<span class="blank _1"> </span>a <span class="blank _1"> </span>co<span class="blank _2a"> </span>m </span></div><div class="t m1 x6a h2 y105 ff1 fs0 fc0 sc0 ls5 ws8">A<span class="blank _0"></span> dá co<span class="blank _1"> </span>m<span class="blank _2"></span>o<span class="blank _1"> </span> <span class="blank _1"> </span>resul<span class="blank _2"></span>t<span class="blank _1"> </span>ado<span class="blank _1"> </span> a m<span class="blank _2"></span>at<span class="blank _1"> </span>r<span class="blank _1"> </span>i<span class="blank _2"></span>z nula.<span class="blank _1"> </span> </div><div class="t m1 x6a h2 y106 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x6a h5 y107 ff2 fs0 fc0 sc0 ls5 ws8">Propriedades </div><div class="t m1 x6a h5 y108 ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x6a h2 y109 ff1 fs0 fc0 sc0 ls5 ws8">Dadas <span class="blank _10"> </span>a<span class="blank _1"> </span>s <span class="blank _38"> </span>matri<span class="blank _0"></span>zes <span class="blank _38"> </span>A <span class="blank _2a"> </span>e <span class="blank _38"> </span>B, <span class="blank _38"> </span>de <span class="blank _38"> </span>m<span class="blank _0"></span>es<span class="blank _1"> </span>ma <span class="blank _10"> </span>o<span class="blank _1"> </span>rde<span class="blank _1"> </span>m<span class="blank _2"></span>,<span class="blank _1"> </span> <span class="blank _2a"> </span>e <span class="blank _38"> </span>os <span class="blank _38"> </span>números <span class="blank _2a"> </span>rea<span class="blank _1"> </span>is<span class="blank _0"></span> <span class="blank _2a"> </span><span class="ff3 ws6">a</span>, <span class="blank _38"> </span><span class="ff3 ws6">a</span><span class="fs7 ls21 v3">1</span> <span class="blank _2a"> </span>e <span class="blank _38"> </span><span class="ff3 ws6">a</span><span class="fs7 ls21 v3">2</span>, </div><div class="t m1 x6a h2 y10a ff1 fs0 fc0 sc0 ls5 ws8">verifi<span class="blank _0"></span>ca-se que: </div><div class="t m1 x6a h2 y10b ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x6a h2 y10c ff1 fs0 fc0 sc0 ls5 ws8">i) <span class="ff3 ws6">a</span>(A + B) <span class="blank _1"> </span>= <span class="ff3 ws6">a</span>A<span class="blank _2"></span> <span class="blank _1"> </span>+ <span class="ff3 ws6">a</span>B </div><div class="t m1 x6a h2 y10d ff1 fs0 fc0 sc0 ls5 ws8">ii<span class="blank _2"></span>)<span class="blank _1"> </span> (<span class="blank _1"> </span><span class="ff3 ws6">a</span><span class="fs7 ls21 v3">1</span> + <span class="ff3 ws6">a</span><span class="fs7 ls21 v3">2</span>)A<span class="blank _0"></span> = <span class="ff3 ws6">a</span><span class="fs7 ls21 v3">1</span>A +<span class="ff3 ws6">a<span class="blank _0"></span><span class="ff1 fs7 ls21 v3">2<span class="fs0 ls5 ws8 v5"> A </span></span></span></div><div class="t m1 x6a h2 y10e ff1 fs0 fc0 sc0 ls5 ws8">iii<span class="blank _2"></span>)<span class="blank _1"> </span> 0.<span class="blank _1"> </span>A<span class="blank _0"></span> = 0 </div><div class="t m1 x6a h2 y10f ff1 fs0 fc0 sc0 ls5 ws8">iv) <span class="ff3 ws6">a</span><span class="fs7 ls21 v3">1</span><span class="ls22">(</span><span class="ff3 ws6">a</span><span class="fs7 ls21 v3">2</span>A<span class="blank _2"></span>)<span class="blank _1"> </span> = (<span class="ff3 ws6">a</span><span class="fs7 ls21 v3">1</span><span class="ff3 ws6">a</span><span class="fs7 ls21 v3">2</span>)A </div><div class="t m1 x1 h2 y110 ff1 fs0 fc0 sc0 lsa ws8"> <span class="ff2 ls5 ws6 ve">c)</span><span class="ffb ls23 ve"> <span class="ff2 ls5">Transposição: <span class="blank _2a"> </span><span class="ff1">Dada <span class="blank _2a"> </span>u<span class="blank _1"> </span>ma <span class="blank _2a"> </span>m<span class="blank _0"></span>atr<span class="blank _1"> </span>i<span class="blank _0"></span>z </span></span></span></div><div class="c x16 y111 w4 h2c"><div class="t m7 x4 h14 y6a ff3 fs8 fc0 sc0 ls5">[</div></div><div class="c x1d y111 w4 h2c"><div class="t m7 x4 h14 y6a ff3 fs8 fc0 sc0 ls5">]</div></div><div class="t m1 x46 h16 y112 ff4 fs9 fc0 sc0 ls5 wsb">n<span class="blank _1a"></span>m</div><div class="t m1 x3e h16 y113 ff4 fs9 fc0 sc0 ls5 wsb">ij</div><div class="t m1 x3d h23 y114 ff4 fsa fc0 sc0 ls5 ws1c">a<span class="blank _16"></span>A<span class="blank"> </span><span class="ff3 fs9 v8">´</span></div><div class="t m1 x19 h2 y114 ff3 fsa fc0 sc0 ls1e">=<span class="ff1 fs0 ls5 ws8">, <span class="blank _38"> </span>den<span class="blank _0"></span>o<span class="blank _1"> </span>mi<span class="blank _0"></span>na-se <span class="blank _2a"> </span>t<span class="blank _1"> </span>rans<span class="blank _0"></span>post<span class="blank _1"> </span>a <span class="blank _2a"> </span>de <span class="blank _38"> </span>A<span class="blank _0"></span> </span></div><div class="t m1 x6a h2 y115 ff1 fs0 fc0 sc0 ls5 ws8">a <span class="blank _1"> </span>m<span class="blank _2"></span>at<span class="blank _1"> </span>ri<span class="blank _0"></span>z </div><div class="c x70 y116 w7 h2e"><div class="t m9 x4 h2f y6a ff3 fs12 fc0 sc0 ls5">[</div></div><div class="c x71 y116 w7 h2e"><div class="t m9 x4 h2f y6a ff3 fs12 fc0 sc0 ls5">]</div></div><div class="t m1 x6 h30 y117 ff4 fs13 fc0 sc0 ls5 ws1d">m<span class="blank _1a"></span>n</div><div class="t m1 x37 h30 y118 ff4 fs13 fc0 sc0 ls5">ij</div><div class="t m1 x72 h30 y119 ff4 fs13 fc0 sc0 ls24">t<span class="fs14 ls5 ws1e v8">b<span class="blank _29"></span>A<span class="blank"> </span><span class="ff3 fs13 v8">´</span></span></div><div class="t m1 x73 h31 y11a ff3 fs14 fc0 sc0 ls5">=</div><div class="t m0 x74 h2 y115 ff1 fs0 fc0 sc0 ls5 ws8">, cuj<span class="blank _0"></span>as <span class="blank _1"> </span>li<span class="blank _0"></span>nhas são<span class="blank _1"> </span> as c<span class="blank _0"></span>o<span class="blank _1"> </span>l<span class="blank _2"></span>u<span class="blank _1"> </span>nas de A. </div><div class="t m0 x6a h5 y11b ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x6a h5 y11c ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x6a h5 y11d ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x6a h5 y11e ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x6a h5 y11f ff2 fs0 fc0 sc0 ls5 ws8"> </div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x75 y120 w8 h32" alt="" src="https://files.passeidireto.com/149d3ac4-622c-4313-8c0e-1d7a32309792/bg5.png"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls5 ws8">5 </div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x6a h5 y43 ff2 fs0 fc0 sc0 ls5 ws8">Propriedades </div><div class="t m0 x6a h5 y44 ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x6a h2 y8a ff1 fs0 fc0 sc0 ls5 ws8">i) (<span class="blank _1"> </span>A</div><div class="t m0 x65 h33 y121 ff1 fs7 fc0 sc0 ls5 ws7">t<span class="fs0 ls22 v8">)</span>t<span class="fs0 ws8 v8"> = A </span></div><div class="t m0 x6a h34 y122 ff1 fs0 fc0 sc0 ls5 ws8">ii<span class="blank _2"></span>)<span class="blank _1"> </span> (<span class="blank _1"> </span>A<span class="blank _0"></span> + B)<span class="fs7 ws7 vf">t</span> = <span class="blank _1"> </span>A</div><div class="t m0 x76 h33 ye8 ff1 fs7 fc0 sc0 ls5 ws7">t<span class="fs0 ws8 v8"> + B</span><span class="ls25">t</span><span class="fs0 ws8 v8"> </span></div><div class="t m0 x6a h34 y123 ff1 fs0 fc0 sc0 ls5 ws8">iii<span class="blank _2"></span>)<span class="blank _1"> </span> (<span class="ff3 ls1f">a</span><span class="ws6">A)<span class="fs7 ws7 vf">t</span></span> = <span class="ff3 ls1f">a</span>A</div><div class="t m0 x77 h33 y124 ff1 fs7 fc0 sc0 ls25">t<span class="fs0 ls5 ws8 v8"> </span></div><div class="t m0 x1 h2 y9a ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h5 y125 ff2 fs0 fc0 sc0 ls5 ws8">Oper<span class="blank _0"></span>ando mat<span class="blank _1"> </span>rizes </div><div class="t m0 x1 h5 y126 ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y127 ff7 fs0 fc0 sc0 ls6">§<span class="ff8 ls7 ws8"> <span class="ff1 ls5">Dadas as<span class="blank _0"></span> <span class="blank _1"> </span>matri<span class="blank _0"></span>zes <span class="blank _62"> </span><span class="ff3 vb">ú</span></span></span></div><div class="t m0 x74 h25 y128 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x74 h25 y129 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x76 h25 y12a ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x76 h25 y128 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x76 h25 y129 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 xa h25 y12b ff3 fs0 fc0 sc0 ls26">=<span class="ff1 ls5 ws6 va">5<span class="blank _3f"></span>3</span></div><div class="t m0 x24 h2 y12c ff1 fs0 fc0 sc0 ls5 ws6">4<span class="blank _41"></span>2</div><div class="t m0 x2f h35 y12b ff4 fs0 fc0 sc0 ls27">A<span class="ff1 ls5 ws8 v0"> e <span class="blank _63"> </span><span class="ff3 vb">ú</span></span></div><div class="t m0 x6b h25 y128 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x6b h25 y129 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x78 h25 y12a ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x78 h25 y128 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x78 h36 y129 ff3 fs0 fc0 sc0 ls28">é<span class="ls5 v9">-</span></div><div class="t m0 x79 h25 y12b ff3 fs0 fc0 sc0 ls29">=<span class="ff1 ls5 ws6 va">4<span class="blank _40"></span>7</span></div><div class="t m0 x12 h2 y12c ff1 fs0 fc0 sc0 ls5 ws6">1<span class="blank _64"></span>5</div><div class="t m0 x7a h37 y12b ff4 fs0 fc0 sc0 ls2a">B<span class="ff1 ls5 ws8 v0">, cal<span class="blank _0"></span>cule <span class="blank _1"> </span>A<span class="blank _0"></span> + B, <span class="blank _1"> </span> A <span class="ff6 ls4">\u2013</span> B e </span></div><div class="t m3 x7b h38 y127 ff4 fs15 fc0 sc0 ls5 ws1f">B<span class="blank _3a"></span>A</div><div class="c x7c y12d w9 h39"><div class="t m3 x4 h3a yf9 ff1 fs15 fc0 sc0 ls5">2</div></div><div class="t m3 x7c h3a y4a ff1 fs15 fc0 sc0 ls5">1</div><div class="t m3 x4e h3a y127 ff1 fs15 fc0 sc0 ls2b">5<span class="ff3 ls5">+</span></div><div class="t m0 x7d h5 y127 ff1 fs0 fc0 sc0 ls9">.<span class="ff2 ls5 ws8"> </span></div><div class="t m0 x1 h2 y12e ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x5f h25 y12f ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x5f h25 y130 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x5f h25 y131 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x31 h25 y12f ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x31 h25 y130 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x31 h25 y131 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x17 h25 y132 ff3 fs0 fc0 sc0 ls5">=</div><div class="t m0 x71 h25 y12f ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x71 h25 y130 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x71 h25 y131 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x7e h25 y12f ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x7e h25 y130 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x7e h25 y131 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x7f h25 y133 ff3 fs0 fc0 sc0 ls5 ws6">+<span class="blank _5b"></span>+</div><div class="t m0 xa h25 y134 ff3 fs0 fc0 sc0 ls5 ws6">-<span class="blank _65"></span>+<span class="blank _66"></span>+</div><div class="t m0 x80 h25 y132 ff3 fs0 fc0 sc0 ls5 ws20">=<span class="blank _34"></span>+<span class="blank"> </span><span class="ff1 ws6 va">9<span class="blank _1b"></span>10</span></div><div class="t m0 x67 h2 y134 ff1 fs0 fc0 sc0 ls5 ws6">3<span class="blank _4f"></span>7</div><div class="t m0 x23 h2 y133 ff1 fs0 fc0 sc0 ls5 ws6">4<span class="blank _41"></span>5<span class="blank _18"></span>7<span class="blank _2c"></span>3</div><div class="t m0 x37 h2 y134 ff1 fs0 fc0 sc0 ls5 ws6">)<span class="blank _12"></span>1<span class="blank _33"></span>(<span class="blank _67"></span>4<span class="blank _41"></span>5<span class="blank _3f"></span>2</div><div class="t m0 x81 h35 y132 ff4 fs0 fc0 sc0 ls5 ws21">B<span class="blank _5a"></span>A<span class="blank"> </span><span class="ff1 ws8 v0"> </span></div><div class="t m0 x82 h25 y135 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x82 h25 y136 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x82 h25 y137 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x31 h25 y135 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x31 h25 y136 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x31 h25 y137 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x38 h25 y138 ff3 fs0 fc0 sc0 ls5">-</div><div class="t m0 x38 h25 y139 ff3 fs0 fc0 sc0 ls5">-</div><div class="t m0 x54 h25 y13a ff3 fs0 fc0 sc0 ls5">=</div><div class="t m0 x83 h25 y135 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x83 h25 y136 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x83 h25 y137 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x7e h25 y135 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x7e h25 y136 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x7e h25 y137 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x73 h25 y138 ff3 fs0 fc0 sc0 ls5 ws6">-<span class="blank _68"></span>-</div><div class="t m0 xa h25 y139 ff3 fs0 fc0 sc0 ls5 ws6">-<span class="blank _69"></span>-<span class="blank _66"></span>-</div><div class="t m0 x80 h25 y13a ff3 fs0 fc0 sc0 ls5 ws22">=<span class="blank _34"></span>-<span class="blank"> </span><span class="ff1 ws6 va">1<span class="blank _56"></span>4</span></div><div class="t m0 x84 h2 y139 ff1 fs0 fc0 sc0 ls5 ws6">5<span class="blank _2c"></span>3</div><div class="t m0 x70 h2 y138 ff1 fs0 fc0 sc0 ls5 ws6">4<span class="blank _3f"></span>5<span class="blank _18"></span>7<span class="blank _56"></span>3</div><div class="t m0 x37 h2 y139 ff1 fs0 fc0 sc0 ls5 ws6">)<span class="blank _12"></span>1<span class="blank _6a"></span>(<span class="blank _2d"></span>4<span class="blank _41"></span>5<span class="blank _2c"></span>2</div><div class="t m0 x81 h35 y13a ff4 fs0 fc0 sc0 ls5 ws23">B<span class="blank _5a"></span>A<span class="blank"> </span><span class="ff1 ws8 v0"> </span></div><div class="t m0 x85 h3b y13b ff3 fs16 fc0 sc0 ls5">ú</div><div class="t m0 x85 h3b y13c ff3 fs16 fc0 sc0 ls5">ú</div><div class="t m0 x85 h3b y13d ff3 fs16 fc0 sc0 ls5">ú</div><div class="t m0 x85 h3b y5f ff3 fs16 fc0 sc0 ls5">û</div><div class="t m0 x85 h3b y13e ff3 fs16 fc0 sc0 ls5">ù</div><div class="t m0 x3f h3b y13b ff3 fs16 fc0 sc0 ls5">ê</div><div class="t m0 x3f h3b y13c ff3 fs16 fc0 sc0 ls5">ê</div><div class="t m0 x3f h3b y13d ff3 fs16 fc0 sc0 ls5">ê</div><div class="t m0 x3f h3b y5f ff3 fs16 fc0 sc0 ls5">ë</div><div class="t m0 x3f h3b y13e ff3 fs16 fc0 sc0 ls5">é</div><div class="t m0 x14 h3b yab ff3 fs16 fc0 sc0 ls5">=</div><div class="t m0 x86 h3b y13b ff3 fs16 fc0 sc0 ls5">ú</div><div class="t m0 x86 h3b y13c ff3 fs16 fc0 sc0 ls5">ú</div><div class="t m0 x86 h3b y13d ff3 fs16 fc0 sc0 ls5">ú</div><div class="t m0 x86 h3b y5f ff3 fs16 fc0 sc0 ls5">û</div><div class="t m0 x86 h3b y13e ff3 fs16 fc0 sc0 ls5">ù</div><div class="t m0 x5f h3b y13b ff3 fs16 fc0 sc0 ls5">ê</div><div class="t m0 x5f h3b y13c ff3 fs16 fc0 sc0 ls5">ê</div><div class="t m0 x5f h3b y13d ff3 fs16 fc0 sc0 ls5">ê</div><div class="t m0 x5f h3b y5f ff3 fs16 fc0 sc0 ls5">ë</div><div class="t m0 x5f h3b y13e ff3 fs16 fc0 sc0 ls5">é</div><div class="t m0 x3e h3b y13b ff3 fs16 fc0 sc0 ls5 ws24">+<span class="blank _6b"></span>+</div><div class="t m0 x3e h3b y13f ff3 fs16 fc0 sc0 ls5 ws24">-<span class="blank _6c"></span>+</div><div class="t m0 x7a h3b yab ff3 fs16 fc0 sc0 ls5">=</div><div class="t m0 x87 h3b y15 ff3 fs16 fc0 sc0 ls5">ú</div><div class="t m0 x87 h3b y140 ff3 fs16 fc0 sc0 ls5">û</div><div class="t m0 x87 h3b y141 ff3 fs16 fc0 sc0 ls5">ù</div><div class="t m0 x39 h3b y15 ff3 fs16 fc0 sc0 ls5">ê</div><div class="t m0 x39 h3b y140 ff3 fs16 fc0 sc0 ls5">ë</div><div class="t m0 x39 h3c y141 ff3 fs16 fc0 sc0 ls2c">é<span class="ls5 v9">-</span></div><div class="t m0 x9 h3b yab ff3 fs16 fc0 sc0 ls5">+</div><div class="t m0 x88 h3b y15 ff3 fs16 fc0 sc0 ls5">ú</div><div class="t m0 x88 h3b y140 ff3 fs16 fc0 sc0 ls5">û</div><div class="t m0 x88 h3b y141 ff3 fs16 fc0 sc0 ls5">ù</div><div class="t m0 x89 h3b y15 ff3 fs16 fc0 sc0 ls5">ê</div><div class="t m0 x89 h3b y140 ff3 fs16 fc0 sc0 ls5">ë</div><div class="t m0 x89 h3b y141 ff3 fs16 fc0 sc0 ls5">é</div><div class="t m0 x66 h3b yab ff3 fs16 fc0 sc0 ls5 ws25">=<span class="blank _6d"></span>+<span class="blank"> </span><span class="ff1 ve">27</span></div><div class="t m0 x57 h3d y5f ff1 fs16 fc0 sc0 ls5">2</div><div class="t m0 x1b h3e y142 ff1 fs16 fc0 sc0 ls5 ws26">37<span class="blank"> </span><span class="v10">2</span></div><div class="t m0 x4d h3d y143 ff1 fs16 fc0 sc0 ls5">39</div><div class="t m0 x57 h3d y144 ff1 fs16 fc0 sc0 ls5">2</div><div class="t m0 x1b h3d y143 ff1 fs16 fc0 sc0 ls5">25</div><div class="t m0 x35 h3d y13b ff1 fs16 fc0 sc0 ls5 ws24">2<span class="blank _1b"></span>25</div><div class="t m0 x8a h3d y5f ff1 fs16 fc0 sc0 ls5">2</div><div class="t m0 x8a h3d y142 ff1 fs16 fc0 sc0 ls5">7</div><div class="t m0 x8b h3d y13b ff1 fs16 fc0 sc0 ls5">15</div><div class="t m0 x35 h3d y144 ff1 fs16 fc0 sc0 ls5">2</div><div class="t m0 x35 h3d y143 ff1 fs16 fc0 sc0 ls5">1</div><div class="t m0 x6b h3d y13f ff1 fs16 fc0 sc0 ls5">20</div><div class="t m0 x8a h3d y144 ff1 fs16 fc0 sc0 ls5">2</div><div class="t m0 x8a h3d y143 ff1 fs16 fc0 sc0 ls5">5</div><div class="t m0 x8b h3d y13f ff1 fs16 fc0 sc0 ls5">10</div><div class="t m0 x8c h3d yb2 ff1 fs16 fc0 sc0 ls5 ws24">4<span class="blank _6e"></span>7</div><div class="t m0 x10 h3d yb3 ff1 fs16 fc0 sc0 ls5 ws24">1<span class="blank _13"></span>5</div><div class="t m0 x1a h3d y145 ff1 fs16 fc0 sc0 ls5">2</div><div class="t m0 x1a h3d y146 ff1 fs16 fc0 sc0 ls5">1</div><div class="t m0 x8d h3d yb2 ff1 fs16 fc0 sc0 ls5 ws24">5<span class="blank _41"></span>3</div><div class="t m0 x8d h3d yb3 ff1 fs16 fc0 sc0 ls5 ws24">4<span class="blank _41"></span>2</div><div class="t m0 x63 h3d yab ff1 fs16 fc0 sc0 ls5">5</div><div class="t m0 x8e h3d y145 ff1 fs16 fc0 sc0 ls5">2</div><div class="t m0 x8e h3d y146 ff1 fs16 fc0 sc0 ls5">1</div><div class="t m0 x8f h3d yab ff1 fs16 fc0 sc0 ls2d">5<span class="ff4 ls5 ws27">B<span class="blank _4a"></span>A<span class="blank"> </span><span class="ff1 fs0 ws8"> </span></span></div><div class="t m0 x90 h5 y147 ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y148 ff7 fs0 fc0 sc0 ls6">§<span class="ff8 ls7 ws8"> <span class="ff1 ls5">Dadas <span class="blank _5c"> </span>as <span class="blank _5d"> </span>matr<span class="blank _1"> </span>i<span class="blank _2"></span>ze<span class="blank _1"> </span>s </span></span></div><div class="t m0 x91 h8 y149 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 x91 h8 y14a ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 x91 h8 y14b ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 x91 h8 y14c ff3 fs3 fc0 sc0 ls5">û</div><div class="t m0 x91 h8 y14d ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m0 x71 h8 y149 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x71 h8 y14a ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x71 h8 y14b ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x71 h8 y14c ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m0 x71 h8 y14d ff3 fs3 fc0 sc0 ls5">é</div><div class="t m0 x34 h8 y148 ff3 fs3 fc0 sc0 ls5 ws0">-<span class="blank _67"></span>=</div><div class="t m0 x10 h9 y14e ff1 fs3 fc0 sc0 ls5 ws0">4<span class="blank _6e"></span>1</div><div class="t m0 x10 h9 y148 ff1 fs3 fc0 sc0 ls5 ws0">3<span class="blank _56"></span>1</div><div class="t m0 x10 h9 y14f ff1 fs3 fc0 sc0 ls5 ws0">0<span class="blank _6e"></span>2</div><div class="t m0 x9 h2 y148 ff4 fs3 fc0 sc0 ls2e">A<span class="ff1 fs0 ls5 ws8"> <span class="blank _5c"> </span>e </span></div><div class="t m0 x5e h8 y149 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 x5e h8 y14a ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 x5e h8 y14b ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 x5e h8 y14c ff3 fs3 fc0 sc0 ls5">û</div><div class="t m0 x5e h8 y14d ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m0 x68 h8 y149 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x68 h8 y14a ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x68 h8 y14b ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x68 h8 y14c ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m0 x68 h8 y14d ff3 fs3 fc0 sc0 ls5">é</div><div class="t m0 x8 h8 y14e ff3 fs3 fc0 sc0 ls5">-</div><div class="t m0 x92 h8 y14f ff3 fs3 fc0 sc0 ls5">-</div><div class="t m0 x1e h8 y148 ff3 fs3 fc0 sc0 ls5">=</div><div class="t m0 x45 h9 y14e ff1 fs3 fc0 sc0 ls5 ws0">2<span class="blank _3a"></span>3</div><div class="t m0 x62 h9 y148 ff1 fs3 fc0 sc0 ls5 ws0">0<span class="blank _13"></span>2</div><div class="t m0 x62 h9 y14f ff1 fs3 fc0 sc0 ls5 ws0">5<span class="blank _6e"></span>1</div><div class="t m0 x78 h2 y148 ff4 fs3 fc0 sc0 ls2f">B<span class="ff1 fs0 ls5 ws8">, <span class="blank _5d"> </span>encontre <span class="blank _5d"> </span>a <span class="blank _5c"> </span>matr<span class="blank _1"> </span>i<span class="blank _2"></span>z <span class="blank _5d"> </span>X, <span class="blank _5d"> </span>t<span class="blank _1"> </span>al <span class="blank _5c"> </span>que <span class="blank _1"> </span> </span></div><div class="t m0 x90 h12 y150 ff1 fs0 fc0 sc0 ls5 ws8">2X <span class="ff6 ls4">\u2013</span>A + 3B = 0<span class="ff2"> </span></div><div class="t m0 x1 h2 y151 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x90 h2 y152 ff1 fs0 fc0 sc0 ls5 ws8">Isolan<span class="blank _0"></span>do <span class="blank _1"> </span>X, obt<span class="blank _1"> </span>ém<span class="blank _2"></span>-se </div><div class="t m3 x5f h38 y152 ff4 fs15 fc0 sc0 ls5 ws1f">B<span class="blank _6f"></span>A<span class="blank _3e"></span>X</div><div class="c x7a y153 w9 h39"><div class="t m3 x4 h3a yf9 ff1 fs15 fc0 sc0 ls5">2</div></div><div class="t m3 x7a h3a y154 ff1 fs15 fc0 sc0 ls5">3</div><div class="c x33 y153 w9 h39"><div class="t m3 x4 h3a yf9 ff1 fs15 fc0 sc0 ls5">2</div></div><div class="t m3 x33 h3a y154 ff1 fs15 fc0 sc0 ls30">1<span class="ff3 ls5 ws1f v11">-<span class="blank _4a"></span>=</span></div><div class="t m0 x58 h2 y152 ff1 fs0 fc0 sc0 ls5 ws8">. </div><div class="t m0 x90 h2 ycf ff1 fs0 fc0 sc0 ls5 ws8">Logo, </div><div class="t m0 x93 h25 y155 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x93 h25 y156 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x93 h25 y157 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x93 h25 y158 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x93 h25 y159 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x93 h25 y15a ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x93 h25 y32 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x93 h25 y15b ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x94 h25 y155 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x94 h25 y156 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x94 h25 y157 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x94 h25 y158 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x94 h25 y159 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x94 h25 y15a ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x94 h25 y32 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x94 h25 y15b ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x4c h25 y15c ff3 fs0 fc0 sc0 ls5">-</div><div class="t m0 x3a h25 ycf ff3 fs0 fc0 sc0 ls5">-</div><div class="t m0 x51 h25 y15d ff3 fs0 fc0 sc0 ls5">-</div><div class="t m0 xc h25 ycf ff3 fs0 fc0 sc0 ls5">=</div><div class="t m0 x5c h25 y155 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x5c h25 y156 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x5c h25 y157 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x5c h25 y158 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x5c h25 y159 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x5c h25 y15a ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x5c h25 y32 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x5c h25 y15b ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x95 h25 y155 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x95 h25 y156 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x95 h25 y157 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x95 h25 y158 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x95 h25 y159 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x95 h25 y15a ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x95 h25 y32 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x95 h25 y15b ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x18 h25 yc0 ff3 fs0 fc0 sc0 ls5 ws6">+<span class="blank _6c"></span>-</div><div class="t m0 x19 h25 ycf ff3 fs0 fc0 sc0 ls5 ws6">-<span class="blank _4f"></span>-</div><div class="t m0 x13 h25 y15d ff3 fs0 fc0 sc0 ls5 ws6">-<span class="blank _5b"></span>+</div><div class="t m0 x58 h25 ycf ff3 fs0 fc0 sc0 ls5">=</div><div class="t m0 x79 h25 y15e ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x79 h25 y15f ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x79 h25 y160 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x79 h25 y161 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x79 h25 y162 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x17 h25 y15e ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x17 h25 y15f ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x17 h25 y160 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x17 h25 y161 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x17 h25 y162 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x91 h25 y163 ff3 fs0 fc0 sc0 ls5">-</div><div class="t m0 x33 h25 yd0 ff3 fs0 fc0 sc0 ls5">-</div><div class="t m0 x77 h25 ycf ff3 fs0 fc0 sc0 ls5">-</div><div class="t m0 x96 h25 y15e ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x96 h25 y15f ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x96 h25 y160 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x96 h25 y161 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x96 h25 y162 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x29 h25 y15e ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x29 h25 y15f ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x29 h25 y160 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x29 h25 y161 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x29 h25 y162 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x2d h25 ycf ff3 fs0 fc0 sc0 ls5 ws6">-<span class="blank _64"></span>=</div><div class="t m0 x3c h3f y15c ff1 fs0 fc0 sc0 ls5 ws28">5<span class="blank _27"></span>4<span class="blank"> </span><span class="v10">2</span></div><div class="t m0 x3c h2 y164 ff1 fs0 fc0 sc0 ls5">3</div><div class="t m0 x47 h2 y165 ff1 fs0 fc0 sc0 ls5">2</div><div class="t m0 x47 h40 y164 ff1 fs0 fc0 sc0 ls31">7<span class="ls5 v10">2</span></div><div class="t m0 x3c h2 y166 ff1 fs0 fc0 sc0 ls5">15</div><div class="t m0 x4d h2 y167 ff1 fs0 fc0 sc0 ls5">2</div><div class="t m0 x4d h2 y166 ff1 fs0 fc0 sc0 ls5">5</div><div class="t m0 x97 h2 yc0 ff1 fs0 fc0 sc0 ls5 ws6">3<span class="blank _3f"></span>2</div><div class="t m0 x6b h2 y168 ff1 fs0 fc0 sc0 ls5">2</div><div class="t m0 x6b h2 y15c ff1 fs0 fc0 sc0 ls5">9</div><div class="t m0 x8a h2 y168 ff1 fs0 fc0 sc0 ls5">2</div><div class="t m0 x8a h3f y15c ff1 fs0 fc0 sc0 ls32">1<span class="ls5 v10">2</span></div><div class="t m0 x18 h2 y164 ff1 fs0 fc0 sc0 ls5">3</div><div class="t m0 x98 h2 ycf ff1 fs0 fc0 sc0 ls5">3</div><div class="t m0 x99 h2 y165 ff1 fs0 fc0 sc0 ls5">2</div><div class="t m0 x99 h40 y164 ff1 fs0 fc0 sc0 ls33">1<span class="ls5 v10">2</span></div><div class="t m0 x9a h2 y166 ff1 fs0 fc0 sc0 ls5">15</div><div class="t m0 x45 h2 y15d ff1 fs0 fc0 sc0 ls5">0</div><div class="t m0 x61 h2 y167 ff1 fs0 fc0 sc0 ls5">2</div><div class="t m0 x61 h2 y166 ff1 fs0 fc0 sc0 ls5">3</div><div class="t m0 x8a h2 y15d ff1 fs0 fc0 sc0 ls5">1</div><div class="t m0 x9b h2 y163 ff1 fs0 fc0 sc0 ls5 ws6">2<span class="blank _4a"></span>3</div><div class="t m0 x7a h2 ycf ff1 fs0 fc0 sc0 ls5 ws6">0<span class="blank _13"></span>2</div><div class="t m0 x7a h2 yd0 ff1 fs0 fc0 sc0 ls5 ws6">5<span class="blank _6e"></span>1</div><div class="t m0 x83 h2 y165 ff1 fs0 fc0 sc0 ls5">2</div><div class="t m0 x83 h2 y164 ff1 fs0 fc0 sc0 ls5">3</div><div class="t m0 x73 h2 y163 ff1 fs0 fc0 sc0 ls5 ws6">4<span class="blank _6e"></span>1</div><div class="t m0 x73 h2 ycf ff1 fs0 fc0 sc0 ls5 ws6">3<span class="blank _56"></span>1</div><div class="t m0 x73 h2 yd0 ff1 fs0 fc0 sc0 ls5 ws6">0<span class="blank _34"></span>2</div><div class="t m0 x9c h2 y165 ff1 fs0 fc0 sc0 ls5">2</div><div class="t m0 x63 h2 y164 ff1 fs0 fc0 sc0 ls5">1</div><div class="t m0 x9d h2 ycf ff4 fs0 fc0 sc0 ls34">X<span class="ff1 ls5 ws8"> </span></div><div class="t m0 x90 h5 y169 ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y16a ff7 fs0 fc0 sc0 ls6">§<span class="ff8 ls7 ws8"> <span class="ff1 ls5">Calcule <span class="blank _4"> </span>as <span class="blank _4"> </span>matrizes <span class="blank _4"> </span>X <span class="blank _4"> </span>e <span class="blank _4"> </span>Y <span class="blank _4"> </span>que <span class="blank _70"> </span>verifi<span class="blank _0"></span>ca<span class="blank _1"> </span>m <span class="blank _4"> </span>as <span class="blank _4"> </span>condições <span class="blank _71"> </span><span class="ff3 v12">î</span></span></span></div><div class="t m0 x9e h25 y10e ff3 fs0 fc0 sc0 ls5">í</div><div class="t m0 x9e h25 y16b ff3 fs0 fc0 sc0 ls5">ì</div><div class="t m0 x9f h25 y16c ff3 fs0 fc0 sc0 ls5 ws6">-<span class="blank _29"></span>=<span class="blank _4f"></span>-</div><div class="t m0 x6d h25 y16d ff3 fs0 fc0 sc0 ls5 ws6">+<span class="blank _27"></span>=<span class="blank _5a"></span>+</div><div class="t m0 xa0 h28 y16c ff4 fs0 fc0 sc0 ls5 ws6">B<span class="blank _13"></span>A<span class="blank _3a"></span>Y<span class="blank _34"></span>X</div><div class="t m0 xa0 h28 y16d ff4 fs0 fc0 sc0 ls5 ws6">B<span class="blank _5a"></span>A<span class="blank _23"></span>Y<span class="blank _34"></span>X</div><div class="t m0 xa1 h2 y16c ff1 fs0 fc0 sc0 ls5 ws6">3<span class="blank _13"></span>2</div><div class="t m0 x4f h2 y16d ff1 fs0 fc0 sc0 ls5 ws29">3<span class="blank _1e"></span>2<span class="blank"> </span><span class="ws8 va">, </span></div><div class="t m0 x90 h2 y16e ff1 fs0 fc0 sc0 ls5 ws8">considerando que <span class="blank _62"> </span><span class="ff3 vb">ú</span></div><div class="t m0 x31 h25 y16f ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x31 h25 y170 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x1a h25 y171 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x1a h25 y16f ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x1a h25 y170 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x96 h25 y172 ff3 fs0 fc0 sc0 ls35">=<span class="ff1 ls5 ws6 va">1<span class="blank _3f"></span>0</span></div><div class="t m0 x33 h2 y81 ff1 fs0 fc0 sc0 ls5 ws6">2<span class="blank _41"></span>1</div><div class="t m0 xa2 h35 y172 ff4 fs0 fc0 sc0 ls27">A<span class="ff1 ls5 ws8 v0"> e <span class="blank _72"> </span><span class="ff3 vb">ú</span></span></div><div class="t m0 xa3 h25 y16f ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 xa3 h25 y170 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x58 h25 y171 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x58 h25 y16f ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x58 h25 y170 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x5f h25 y172 ff3 fs0 fc0 sc0 ls36">=<span class="ff1 ls5 ws6 va">1<span class="blank _56"></span>1</span></div><div class="t m0 x8a h2 y81 ff1 fs0 fc0 sc0 ls5 ws6">2<span class="blank _56"></span>1</div><div class="t m0 xa4 h41 y172 ff4 fs0 fc0 sc0 ls37">B<span class="ff1 ls5 ws6 v0">.<span class="ff2 ws8"> </span></span></div><div class="t m0 x1 h2 y173 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x90 h2 y174 ff1 fs0 fc0 sc0 ls5 ws8">Resolven<span class="blank _0"></span>do<span class="blank _1"> </span>-se o sis<span class="blank _0"></span>te<span class="blank _1"> </span>m<span class="blank _2"></span>a,<span class="blank _1"> </span> o<span class="blank _1"> </span>btém<span class="blank _2"></span>-s<span class="blank _1"> </span>e </div><div class="t m3 x49 h38 y174 ff4 fs15 fc0 sc0 ls5 ws1f">B<span class="blank _3a"></span>A<span class="blank _73"></span>X</div><div class="c x3d y82 w9 h39"><div class="t m3 x4 h3a yf9 ff1 fs15 fc0 sc0 ls5">3</div></div><div class="t m3 x3d h3a y175 ff1 fs15 fc0 sc0 ls5">2</div><div class="c xa5 y82 w9 h39"><div class="t m3 x4 h3a yf9 ff1 fs15 fc0 sc0 ls5">3</div></div><div class="t m3 xa5 h3a y175 ff1 fs15 fc0 sc0 ls38">5<span class="ff3 ls5 ws1f v11">-<span class="blank _6f"></span>=</span></div><div class="t m0 xa6 h2 y174 ff1 fs0 fc0 sc0 ls5 ws8"> e </div><div class="t m3 xa7 h38 y174 ff4 fs15 fc0 sc0 ls5 ws1f">B<span class="blank _3a"></span>A<span class="blank _55"></span>Y</div><div class="c x9e y82 w9 h39"><div class="t m3 x4 h3a yf9 ff1 fs15 fc0 sc0 ls5">3</div></div><div class="t m3 x9e h3a y175 ff1 fs15 fc0 sc0 ls5">7</div><div class="c x94 y82 w9 h39"><div class="t m3 x4 h3a yf9 ff1 fs15 fc0 sc0 ls5">3</div></div><div class="t m3 x94 h3a y175 ff1 fs15 fc0 sc0 ls39">1<span class="ff3 ls5 ws1f v11">+<span class="blank _74"></span>-<span class="blank _57"></span>=</span></div><div class="t m0 xa8 h2 y174 ff1 fs0 fc0 sc0 ls5 ws8">. </div><div class="t m0 x90 h2 y176 ff1 fs0 fc0 sc0 ls5 ws8">Portanto, <span class="blank _75"> </span><span class="ff3 v6">ú</span></div><div class="t m0 x5 h25 y177 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x5 h25 y178 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x5 h25 y179 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x2d h25 y17a ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x2d h25 y177 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x2d h25 y178 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x2d h25 y179 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x26 h25 y17b ff3 fs0 fc0 sc0 ls5">-</div><div class="t m0 x2e h25 y17c ff3 fs0 fc0 sc0 ls3a">=<span class="ff1 ls5 v11">1</span></div><div class="t m0 x52 h2 y17d ff1 fs0 fc0 sc0 ls5">3</div><div class="t m0 x52 h42 y176 ff1 fs0 fc0 sc0 ls3b">2<span class="ls5 ws6 v2">2<span class="blank _50"></span>1</span></div><div class="t m0 xa9 h35 y17c ff4 fs0 fc0 sc0 ls3c">X<span class="ff1 ls5 ws8 v0"> e </span></div><div class="t m6 x78 h43 y17e ff3 fs17 fc0 sc0 ls5">ú</div><div class="t m6 x78 h43 y17f ff3 fs17 fc0 sc0 ls5">ú</div><div class="t m6 x78 h43 y180 ff3 fs17 fc0 sc0 ls5">û</div><div class="t m6 x78 h43 y181 ff3 fs17 fc0 sc0 ls5">ù</div><div class="t m6 xaa h43 y17e ff3 fs17 fc0 sc0 ls5">ê</div><div class="t m6 xaa h43 y17f ff3 fs17 fc0 sc0 ls5">ê</div><div class="t m6 xaa h43 y180 ff3 fs17 fc0 sc0 ls5">ë</div><div class="t m6 xaa h43 y181 ff3 fs17 fc0 sc0 ls5">é</div><div class="t m6 x38 h43 y176 ff3 fs17 fc0 sc0 ls3d">=<span class="ff1 ls5 v13">2</span></div><div class="t m6 xab h44 y182 ff1 fs17 fc0 sc0 ls5">3</div><div class="t m6 xab h45 y177 ff1 fs17 fc0 sc0 ls3e">7<span class="ls5 ws2a v10">4<span class="blank _51"></span>2</span></div><div class="t m6 x33 h46 y176 ff4 fs17 fc0 sc0 ls5">Y</div><div class="t m0 x95 h2 y176 ff1 fs0 fc0 sc0 ls5 ws8">. </div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf6" class="pf w0 h0" data-page-no="6"><div class="pc pc6 w0 h0"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls5 ws8">6 </div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y183 ff7 fs0 fc0 sc0 ls6">§<span class="ff8 ls7 ws8"> <span class="ff1 ls5">Sejam<span class="blank _2"></span> </span></span></div><div class="t m0 x77 h8 y184 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 x77 h8 y185 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 x77 h8 y186 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 x77 h8 y122 ff3 fs3 fc0 sc0 ls5">û</div><div class="t m0 x77 h8 y187 ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m0 x63 h8 y184 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x63 h8 y185 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x63 h8 y186 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x63 h8 y122 ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m0 x63 h47 y187 ff3 fs3 fc0 sc0 ls3f">é<span class="ls5 v9">-</span></div><div class="t m0 xac h8 y183 ff3 fs3 fc0 sc0 ls5">=</div><div class="t m0 x96 h9 y188 ff1 fs3 fc0 sc0 ls5 ws0">3<span class="blank _6e"></span>1<span class="blank _5a"></span>2</div><div class="t m0 x96 h9 y183 ff1 fs3 fc0 sc0 ls5 ws0">5<span class="blank _34"></span>1<span class="blank _5a"></span>4</div><div class="t m0 x96 h9 ye6 ff1 fs3 fc0 sc0 ls5 ws0">3<span class="blank _52"></span>1<span class="blank _13"></span>3</div><div class="t m0 x6a h2 y183 ff4 fs3 fc0 sc0 ls40">A<span class="ff1 fs0 ls5 ws8"> e </span></div><div class="t m0 x36 h8 y184 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 x36 h8 y185 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 x36 h8 y186 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 x36 h8 y122 ff3 fs3 fc0 sc0 ls5">û</div><div class="t m0 x36 h8 y187 ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m0 x10 h8 y184 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x10 h8 y185 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x10 h8 y186 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x10 h8 y122 ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m0 x10 h47 y187 ff3 fs3 fc0 sc0 ls3f">é<span class="ls5 v9">-</span></div><div class="t m0 x74 h8 y183 ff3 fs3 fc0 sc0 ls5">=</div><div class="t m0 xa5 h9 y188 ff1 fs3 fc0 sc0 ls5 ws0">1<span class="blank _25"></span>2<span class="blank _26"></span>3</div><div class="t m0 xa5 h9 y183 ff1 fs3 fc0 sc0 ls5 ws0">4<span class="blank _26"></span>1<span class="blank _25"></span>0</div><div class="t m0 xa5 h9 ye6 ff1 fs3 fc0 sc0 ls5 ws0">5<span class="blank _3f"></span>4<span class="blank _1d"></span>2</div><div class="t m0 x4a h34 y183 ff4 fs3 fc0 sc0 ls41">B<span class="ff1 fs0 ls5 ws8">. Cal<span class="blank _0"></span>cule (<span class="blank _1"> </span>A<span class="blank _0"></span> + B)<span class="fs7 ws7 vf">t</span><span class="ff2"> </span></span></div><div class="t m0 x1 h2 y123 ff1 fs0 fc0 sc0 ls1b ws8"> <span class="ff2 ls5 vc"> </span></div><div class="t m0 x73 h8 y127 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 x73 h8 y189 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 x73 h8 y18a ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 x73 h8 y18b ff3 fs3 fc0 sc0 ls5">û</div><div class="t m0 x73 h8 y18c ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m0 x7e h8 y127 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x7e h8 y189 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x7e h8 y18a ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x7e h8 y18b ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m0 x7e h47 y18c ff3 fs3 fc0 sc0 ls3f">é<span class="ls5 v9">-</span></div><div class="t m0 x80 h8 y18d ff3 fs3 fc0 sc0 ls5 ws0">=<span class="blank _6e"></span>+</div><div class="t m0 xa2 h9 y18e ff1 fs3 fc0 sc0 ls5 ws0">4<span class="blank _25"></span>3<span class="blank _25"></span>5</div><div class="t m0 xa2 h9 y18d ff1 fs3 fc0 sc0 ls5 ws0">9<span class="blank _25"></span>2<span class="blank _76"></span>4</div><div class="t m0 xa2 h9 y18f ff1 fs3 fc0 sc0 ls5 ws0">8<span class="blank _2c"></span>5<span class="blank _27"></span>5</div><div class="t m0 x81 h2 y18d ff4 fs3 fc0 sc0 ls5 ws2b">B<span class="blank _5a"></span>A<span class="blank"> </span><span class="ff1 fs0 ws8"> e, <span class="blank _1"> </span>p<span class="blank _0"></span>ortanto, </span></div><div class="t ma x9b h48 y190 ff3 fs18 fc0 sc0 ls5 ws2c">(<span class="blank"> </span>)</div><div class="t mb xf h8 y127 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t mb xf h8 y189 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t mb xf h8 y18a ff3 fs3 fc0 sc0 ls5">ú</div><div class="t mb xf h8 y18b ff3 fs3 fc0 sc0 ls5">û</div><div class="t mb xf h8 y18c ff3 fs3 fc0 sc0 ls5">ù</div><div class="t mb x6b h8 y127 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t mb x6b h8 y189 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t mb x6b h8 y18a ff3 fs3 fc0 sc0 ls5">ê</div><div class="t mb x6b h8 y18b ff3 fs3 fc0 sc0 ls5">ë</div><div class="t mb x6b h8 y18c ff3 fs3 fc0 sc0 ls5">é</div><div class="t mb x98 h8 y18d ff3 fs3 fc0 sc0 ls5 ws0">-<span class="blank _67"></span>=<span class="blank _23"></span>+</div><div class="t mb x5b h9 y18e ff1 fs3 fc0 sc0 ls5 ws0">4<span class="blank _32"></span>9<span class="blank _76"></span>8</div><div class="t mb x5b h9 y18d ff1 fs3 fc0 sc0 ls5 ws0">3<span class="blank _41"></span>2<span class="blank _3f"></span>5</div><div class="t mb x5b h9 y18f ff1 fs3 fc0 sc0 ls5 ws0">5<span class="blank _3f"></span>4<span class="blank _25"></span>5</div><div class="t mb x68 h49 y126 ff4 fsb fc0 sc0 ls5">t</div><div class="t mb xad h2 y18d ff4 fs3 fc0 sc0 ls5 ws2d">B<span class="blank _5a"></span>A<span class="blank"> </span><span class="ff1 fs0 ws8"> </span></div><div class="t mb x1 h5 y191 ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t mb x1 h5 y192 ff2 fs0 fc0 sc0 lsa ws8"> <span class="ls5 ws6 ve">d)</span><span class="ffb ls1d ve"> </span><span class="ls5 ve">Multiplicação <span class="blank _1"> </span>de <span class="blank _10"> </span>matrizes: <span class="blank _10"> </span><span class="ff1"> <span class="blank _10"> </span>Se<span class="blank _1"> </span>j<span class="blank _0"></span>am </span></span></div><div class="c x62 y193 w4 h2c"><div class="t m7 x4 h14 y6a ff3 fs8 fc0 sc0 ls5">[</div></div><div class="c x46 y193 w4 h2c"><div class="t m7 x4 h14 y6a ff3 fs8 fc0 sc0 ls5">]</div></div><div class="t m1 x3f h16 y194 ff4 fs9 fc0 sc0 ls5 wsb">n<span class="blank _1a"></span>m</div><div class="t m1 x5e h16 y195 ff4 fs9 fc0 sc0 ls5 wsb">ij</div><div class="t m1 x45 h23 y196 ff4 fsa fc0 sc0 ls5 ws1c">a<span class="blank _16"></span>A<span class="blank"> </span><span class="ff3 fs9 v8">´</span></div><div class="t m1 x60 h2 y196 ff3 fsa fc0 sc0 ls1e">=<span class="ff1 fs0 ls5 ws8">e </span></div><div class="c x48 y193 w4 h2c"><div class="t mc x4 h14 y6a ff3 fs8 fc0 sc0 ls5">[</div></div><div class="c x51 y193 w4 h2c"><div class="t mc x4 h14 y6a ff3 fs8 fc0 sc0 ls5">]</div></div><div class="t m1 xae h16 y194 ff4 fs9 fc0 sc0 ls5 wsb">p<span class="blank _11"></span>n</div><div class="t m1 x53 h16 y195 ff4 fs9 fc0 sc0 ls5 wsb">ij</div><div class="t m1 xaf h23 y196 ff4 fsa fc0 sc0 ls5 ws2e">b<span class="blank _16"></span>B<span class="blank"> </span><span class="ff3 fs9 v8">´</span></div><div class="t m1 x4c h2 y196 ff3 fsa fc0 sc0 ls42">=<span class="ff1 fs0 ls5 ws8">duas <span class="blank _10"> </span>matri<span class="blank _0"></span>zes. </span></div><div class="t m1 x6a h2 y197 ff1 fs0 fc0 sc0 ls5 ws8">O <span class="blank _77"> </span>produto <span class="blank _77"> </span>da <span class="blank _77"> </span>m<span class="blank _0"></span>atriz <span class="blank _77"> </span>A<span class="blank _0"></span> <span class="blank _77"> </span>pela <span class="blank _77"> </span>matr<span class="blank _1"> </span>i<span class="blank _2"></span>z <span class="blank _77"> </span>B, <span class="blank _5"> </span>in<span class="blank _0"></span>dicado<span class="blank _1"> </span> <span class="blank _77"> </span>por <span class="blank _77"> </span>A<span class="blank _0"></span>B, <span class="blank _77"> </span>é <span class="blank _77"> </span>a <span class="blank _77"> </span>m<span class="blank _2"></span>at<span class="blank _1"> </span>riz </div><div class="c x9c y198 w4 h2c"><div class="t m7 x4 h14 y6a ff3 fs8 fc0 sc0 ls5">[</div></div><div class="c xb0 y198 w4 h2c"><div class="t m7 x4 h14 y6a ff3 fs8 fc0 sc0 ls5">]</div></div><div class="t m1 x52 h16 y199 ff4 fs9 fc0 sc0 ls5 wsb">p<span class="blank _14"></span>m</div><div class="t m1 x29 h16 y19a ff4 fs9 fc0 sc0 ls5 wsb">ij</div><div class="t m1 x2a h23 y19b ff4 fsa fc0 sc0 ls5 ws2f">c<span class="blank _1b"></span>C<span class="blank"> </span><span class="ff3 fs9 v8">´</span></div><div class="t m1 x21 h2 y19b ff3 fsa fc0 sc0 ls43">=<span class="ff1 fs0 ls5 ws8"> <span class="blank _10"> </span>t<span class="blank _1"> </span>al <span class="blank _10"> </span>que <span class="blank _2a"> </span>o <span class="blank _2a"> </span>e<span class="blank _1"> </span>lemento <span class="blank _10"> </span>c<span class="fs7 ws7 v3">ij</span> <span class="blank _2a"> </span>é <span class="blank _10"> </span>o<span class="blank _1"> </span>bt<span class="blank _1"> </span>i<span class="blank _2"></span>do<span class="blank _1"> </span> <span class="blank _38"> </span>m<span class="blank _2"></span>u<span class="blank _1"> </span>l<span class="blank _2"></span>t<span class="blank _10"> </span>iplicando-se <span class="blank _2a"> </span>o<span class="blank _1"> </span>rdenadam<span class="blank _2"></span>e<span class="blank _1"> </span>nte </span></div><div class="t m1 x6a h2 y19c ff1 fs0 fc0 sc0 ls5 ws8">os <span class="blank _10"> </span>e<span class="blank _1"> </span>l<span class="blank _2"></span>e<span class="blank _1"> </span>men<span class="blank _0"></span>t<span class="blank _1"> </span>os <span class="blank _10"> </span>da <span class="blank _10"> </span>linha <span class="blank _10"> </span><span class="ff4 ls2">i</span>, <span class="blank _10"> </span>da <span class="blank _2a"> </span>matr<span class="blank _1"> </span>i<span class="blank _2"></span>z <span class="blank _2a"> </span>A<span class="blank _0"></span>, <span class="blank _10"> </span>pe<span class="blank _1"> </span>l<span class="blank _2"></span>o<span class="blank _10"> </span>s <span class="blank _1"> </span>e<span class="blank _1"> </span>lement<span class="blank _1"> </span>os <span class="blank _10"> </span>da <span class="blank _10"> </span>col<span class="blank _0"></span>una<span class="ff4"> <span class="blank _10"> </span>j,<span class="blank _1"> </span></span> <span class="blank _10"> </span>da <span class="blank _10"> </span>matr<span class="blank _1"> </span>i<span class="blank _0"></span>z </div><div class="t m1 x6a h2 y19d ff1 fs0 fc0 sc0 ls5 ws8">B, e somando-se os pro<span class="blank _1"> </span>du<span class="blank _0"></span>tos o<span class="blank _1"> </span>b<span class="blank _0"></span>tidos. </div><div class="t m1 xe h5 y19e ff2 fs0 fc0 sc0 ls1b ws8"> <span class="ff1 ls5 v4">Cabe ressal<span class="blank _2"></span>t<span class="blank _1"> </span>ar que <span class="blank _1"> </span>o <span class="blank _1"> </span>produto A<span class="blank _0"></span>B só <span class="blank _1"> </span>é po<span class="blank _1"> </span>ss<span class="blank _0"></span>ív<span class="blank _2"></span>e<span class="blank _1"> </span>l se o número<span class="blank _1"> </span> de col<span class="blank _0"></span>unas de A <span class="blank _1"> </span>é </span></div><div class="t m1 x6a h2 y19f ff1 fs0 fc0 sc0 ls5 ws8">igual<span class="blank _2"></span> <span class="blank _1"> </span>ao<span class="blank _1"> </span> núm<span class="blank _0"></span>ero <span class="blank _1"> </span>de li<span class="blank _0"></span>nhas de B. </div><div class="t m1 x6a h2 y1a0 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x6a h5 y1a1 ff2 fs0 fc0 sc0 ls5 ws8">Propriedades </div><div class="t m1 x6a h5 y1a2 ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x6a h2 y1a3 ff1 fs0 fc0 sc0 ls5 ws8">i) Geralmen<span class="blank _0"></span>t<span class="blank _1"> </span>e, AB <span class="ff3 ls44">¹</span> BA<span class="blank _0"></span>. </div><div class="t m1 x6a h2 y1a4 ff1 fs0 fc0 sc0 ls5 ws8">ii<span class="blank _2"></span>)<span class="blank _1"> </span> <span class="blank _1"> </span>AI = IA = A </div><div class="t m1 x6a h2 y1a5 ff1 fs0 fc0 sc0 ls5 ws8">iii<span class="blank _2"></span>)<span class="blank _1"> </span> <span class="blank _1"> </span>A<span class="blank _0"></span>(B + C) <span class="blank _1"> </span>= AB<span class="blank _0"></span> + AC </div><div class="t m1 x6a h2 y1a6 ff1 fs0 fc0 sc0 ls5 ws8">iv) (A + B)C = AC + BC </div><div class="t m1 x6a h2 y1a7 ff1 fs0 fc0 sc0 ls5 ws8">v) (<span class="blank _1"> </span>A<span class="blank _0"></span>B)C = A(BC<span class="blank _0"></span>)<span class="blank _1"> </span> </div><div class="t m1 x6a h34 y1a8 ff1 fs0 fc0 sc0 ls5 ws8">vi) (AB)<span class="fs7 ws7 vf">t</span> = B<span class="fs7 ws7 vf">t</span><span class="ws6">A<span class="fs7 ls25 vf">t</span></span> </div><div class="t m1 x6a h2 y1a9 ff1 fs0 fc0 sc0 ls5 ws8">vii<span class="blank _2"></span>)<span class="blank _1"> </span> 0.<span class="blank _1"> </span>A<span class="blank _0"></span> = A.0 = 0 </div><div class="t m1 x6a h2 y1aa ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x6a h2 y1ab ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x1 h5 y1ac ff2 fs0 fc0 sc0 ls5 ws8">Multiplicando matrizes </div><div class="t m1 x1 h5 yc5 ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x1 h2 y1ad ff7 fs0 fc0 sc0 ls6">§<span class="ff8 ls7 ws8"> <span class="ff1 ls5">Dadas as<span class="blank _0"></span> <span class="blank _1"> </span>matri<span class="blank _0"></span>zes <span class="blank _78"> </span><span class="ff3 vb">ú</span></span></span></div><div class="t m1 x74 h25 y1ae ff3 fs0 fc0 sc0 ls5">û</div><div class="t m1 x74 h25 y1af ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m1 x76 h25 y1b0 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m1 x76 h25 y1ae ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m1 x76 h25 y1af ff3 fs0 fc0 sc0 ls5">é</div><div class="t m1 xa h25 y1b1 ff3 fs0 fc0 sc0 ls35">=<span class="ff1 ls5 ws6 va">4<span class="blank _3f"></span>3</span></div><div class="t m1 x6 h2 y1b2 ff1 fs0 fc0 sc0 ls5 ws6">2<span class="blank _41"></span>1</div><div class="t m1 x88 h35 y1b1 ff4 fs0 fc0 sc0 ls45">A<span class="ff1 ls5 ws8 v0"> e </span></div><div class="t m1 x61 h8 y1b3 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x61 h8 y1b4 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x61 h8 y1b5 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x61 h8 y1b6 ff3 fs3 fc0 sc0 ls5">û</div><div class="t m1 x61 h8 y1b7 ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m1 x78 h8 y1b3 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x78 h8 y1b4 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x78 h8 y1b5 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x78 h8 y1b6 ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m1 x78 h47 y1b7 ff3 fs3 fc0 sc0 ls46">é<span class="ls5 v9">-</span></div><div class="t m1 x5f h8 y1ad ff3 fs3 fc0 sc0 ls5">=</div><div class="t m1 x92 h9 y1b8 ff1 fs3 fc0 sc0 ls5 ws0">3<span class="blank _6e"></span>2</div><div class="t m1 x92 h9 y1ad ff1 fs3 fc0 sc0 ls5 ws0">2<span class="blank _6e"></span>0</div><div class="t m1 x69 h9 y1b9 ff1 fs3 fc0 sc0 ls5 ws0">1<span class="blank _13"></span>1</div><div class="t m1 x7a h34 y1ad ff4 fs3 fc0 sc0 ls47">B<span class="ff1 fs0 ls5 ws8">, obtenh<span class="blank _0"></span>a a <span class="blank _1"> </span>m<span class="blank _2"></span>at<span class="blank _1"> </span>r<span class="blank _1"> </span>i<span class="blank _0"></span>z AB<span class="fs7 ws7 vf">t</span>. </span></div><div class="t m1 xb1 h25 y1ba ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m1 xb1 h25 y1bb ff3 fs0 fc0 sc0 ls5">û</div><div class="t m1 xb1 h25 y1bc ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m1 xb2 h25 y1ba ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m1 xb2 h25 y1bb ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m1 xb2 h25 y1bc ff3 fs0 fc0 sc0 ls5">é</div><div class="t m1 xb3 h25 y1bd ff3 fs0 fc0 sc0 ls5">-</div><div class="t m1 xb3 h25 y1be ff3 fs0 fc0 sc0 ls5">-</div><div class="t m1 x85 h25 y1bf ff3 fs0 fc0 sc0 ls5">=</div><div class="t m1 x48 h25 y1ba ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m1 x48 h25 y1bb ff3 fs0 fc0 sc0 ls5">û</div><div class="t m1 x48 h25 y1bc ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m1 x38 h25 y1ba ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m1 x38 h25 y1bb ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m1 x38 h25 y1bc ff3 fs0 fc0 sc0 ls5">é</div><div class="t m1 xc h25 y1bd ff3 fs0 fc0 sc0 ls5 ws6">+<span class="blank _42"></span>+<span class="blank _22"></span>-<span class="blank _5a"></span>+</div><div class="t m1 xc h25 y1be ff3 fs0 fc0 sc0 ls5 ws6">+<span class="blank _42"></span>+<span class="blank _22"></span>-<span class="blank _5a"></span>+</div><div class="t m1 x6 h25 y1bf ff3 fs0 fc0 sc0 ls5">=</div><div class="t m1 x34 h25 y1ba ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m1 x34 h25 y1bb ff3 fs0 fc0 sc0 ls5">û</div><div class="t m1 x34 h25 y1bc ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m1 x2d h25 y1ba ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m1 x2d h25 y1bb ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m1 x2d h25 y1bc ff3 fs0 fc0 sc0 ls5">é</div><div class="t m1 xb4 h25 y1bd ff3 fs0 fc0 sc0 ls5">-</div><div class="t m1 x89 h25 y1ba ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m1 x89 h25 y1bb ff3 fs0 fc0 sc0 ls5">û</div><div class="t m1 x89 h25 y1bc ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m1 x6a h25 y1ba ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m1 x6a h25 y1bb ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m1 x6a h25 y1bc ff3 fs0 fc0 sc0 ls5">é</div><div class="t m1 xb5 h25 y1bf ff3 fs0 fc0 sc0 ls48">=<span class="ff1 ls5 ws6 va">18<span class="blank _26"></span>8<span class="blank _52"></span>1</span></div><div class="t m1 x4f h2 y1be ff1 fs0 fc0 sc0 ls5 ws6">8<span class="blank _50"></span>4<span class="blank _52"></span>1</div><div class="t m1 x4d h2 y1bd ff1 fs0 fc0 sc0 ls5 ws6">3<span class="blank _12"></span>.<span class="blank _12"></span>4<span class="blank _41"></span>2<span class="blank _12"></span>.<span class="blank _12"></span>3<span class="blank _2c"></span>2<span class="blank _12"></span>.<span class="blank _12"></span>4<span class="blank _41"></span>0<span class="blank _12"></span>.<span class="blank _12"></span>3<span class="blank _2d"></span>)<span class="blank _12"></span>1<span class="blank _6a"></span>(<span class="blank _79"></span>4<span class="blank _56"></span>1<span class="blank _12"></span>.<span class="blank _12"></span>3</div><div class="t m1 x4d h2 y1be ff1 fs0 fc0 sc0 ls5 ws6">3<span class="blank _12"></span>.<span class="blank _12"></span>2<span class="blank _41"></span>2<span class="blank _12"></span>.<span class="blank _12"></span>1<span class="blank _2c"></span>2<span class="blank _12"></span>.<span class="blank _12"></span>2<span class="blank _41"></span>0<span class="blank _12"></span>.<span class="blank _12"></span>1<span class="blank _2d"></span>)<span class="blank _12"></span>1<span class="blank _6a"></span>(<span class="blank _79"></span>2<span class="blank _56"></span>1<span class="blank _12"></span>.<span class="blank _12"></span>1</div><div class="t m1 x39 h2 y1bd ff1 fs0 fc0 sc0 ls5 ws6">3<span class="blank _41"></span>2<span class="blank _52"></span>1</div><div class="t m1 x39 h2 y1be ff1 fs0 fc0 sc0 ls5 ws6">2<span class="blank _32"></span>0<span class="blank _34"></span>1</div><div class="t m1 x63 h2 y1bd ff1 fs0 fc0 sc0 ls5 ws6">4<span class="blank _2c"></span>3</div><div class="t m1 x63 h2 y1be ff1 fs0 fc0 sc0 ls5 ws6">2<span class="blank _3f"></span>1</div><div class="t m1 xe h4a y1c0 ff4 fs10 fc0 sc0 ls5">t</div><div class="t m1 xb6 h35 y1bf ff4 fs0 fc0 sc0 ls5 ws30">AB<span class="blank"> </span><span class="ff1 ws8 v0"> </span></div><div class="t m1 x1 h2 y1c1 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x1 h2 y1c2 ff7 fs0 fc0 sc0 ls6">§<span class="ff8 ls7 ws8"> <span class="ff1 ls5">Sejam<span class="blank _2"></span> <span class="blank _7a"> </span><span class="ff3 vb">ú</span></span></span></div><div class="t m1 x4b h25 y1c3 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m1 x4b h25 y1c4 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m1 x63 h25 y1c5 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m1 x63 h25 y1c3 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m1 x63 h25 y1c4 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m1 xac h25 y1c6 ff3 fs0 fc0 sc0 ls35">=<span class="ff1 ls5 ws6 va">1<span class="blank _3f"></span>0</span></div><div class="t m1 xb4 h2 y1c7 ff1 fs0 fc0 sc0 ls5 ws6">2<span class="blank _41"></span>1</div><div class="t m1 x6a h35 y1c6 ff4 fs0 fc0 sc0 ls27">A<span class="ff1 ls5 ws8 v0"> e <span class="blank _7b"> </span><span class="ff3 vb">ú</span></span></div><div class="t m1 x31 h25 y1c3 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m1 x31 h25 y1c4 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m1 x54 h25 y1c5 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m1 x54 h25 y1c3 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m1 x54 h25 y1c4 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m1 x37 h25 y1c6 ff3 fs0 fc0 sc0 ls49">=<span class="ff1 ls5 va">4</span></div><div class="t m1 x33 h2 y1c7 ff1 fs0 fc0 sc0 ls5">3</div><div class="t m1 x70 h35 y1c6 ff4 fs0 fc0 sc0 ls4a">B<span class="ff1 ls5 ws8 v0">. Determinar a matri<span class="blank _0"></span>z X, t<span class="blank _1"> </span>al<span class="blank _0"></span> que A.X = B. </span></div><div class="t m1 x1 h2 y1c8 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 xb7 h4b y1c9 ff1 fsc fc0 sc0 ls5 wsf">1<span class="blank _7c"></span>2<span class="blank _7d"></span>.</div><div class="t m1 xb8 h4c y1ca ff1 fsd fc0 sc0 ls5 ws31">1<span class="blank _7e"></span>2<span class="blank _7f"></span>2<span class="blank _80"></span>2</div><div class="t m0 xaa h1b y1c9 ff3 fsc fc0 sc0 ls5 ws32">=<span class="blank _81"></span>=<span class="blank _1f"></span>Þ<span class="blank _81"></span>=<span class="blank"> </span><span class="ff4 wsf">n<span class="blank _17"></span>e<span class="blank _6d"></span>m<span class="blank _54"></span>B<span class="blank _46"></span>X<span class="blank _18"></span>A</span></div><div class="t m1 x26 h1c y1ca ff4 fsd fc0 sc0 ls5 ws31">x<span class="blank _1f"></span>n<span class="blank _15"></span>x<span class="blank _79"></span>m<span class="blank _5a"></span>x</div><div class="t m0 x84 h2 y1c9 ff1 fs0 fc0 sc0 ls5 ws8">. Lo<span class="blank _1"> </span>go, a<span class="blank _0"></span> m<span class="blank _0"></span>atr<span class="blank _1"> </span>i<span class="blank _0"></span>z X é do t<span class="blank _1"> </span>i<span class="blank _2"></span>po<span class="blank _1"> </span> 2 <span class="blank _1"> </span>x 1. </div><div class="t m0 x90 h2 y1cb ff1 fs0 fc0 sc0 ls5 ws8">Representan<span class="blank _0"></span>do<span class="blank _1"> </span> X por <span class="blank _60"> </span><span class="ff3 vb">ú</span></div><div class="t m0 x83 h25 y1cc ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x83 h25 y1cd ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x23 h25 y1ce ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x23 h25 y1cc ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x23 h25 y1cd ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x76 h28 y1cf ff4 fs0 fc0 sc0 ls5">b</div><div class="t m0 x76 h28 y1d0 ff4 fs0 fc0 sc0 ls4b">a<span class="ff1 ls5 ws8 va">, segue que <span class="blank _82"> </span><span class="ff3 vb">ú</span></span></div><div class="t m0 x44 h25 y1cc ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x44 h25 y1cd ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x18 h25 y1ce ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x18 h25 y1cc ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x18 h25 y1cd ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x45 h25 y17e ff3 fs0 fc0 sc0 ls5">=</div><div class="t m0 x3e h25 y1ce ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x3e h25 y1cc ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x3e h25 y1cd ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 xb9 h25 y1ce ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 xb9 h25 y1cc ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 xb9 h25 y1cd ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x12 h25 y1ce ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x12 h25 y1cc ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x12 h25 y1cd ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x5a h25 y1ce ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x5a h25 y1cc ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x5a h25 y1cd ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x5d h2 y1cf ff1 fs0 fc0 sc0 ls5">4</div><div class="t m0 x5d h2 y1d0 ff1 fs0 fc0 sc0 ls5">3</div><div class="t m0 x61 h2 y17e ff1 fs0 fc0 sc0 ls5">.</div><div class="t m0 xa3 h2 y1cf ff1 fs0 fc0 sc0 ls5 ws6">1<span class="blank _3f"></span>0</div><div class="t m0 xa3 h2 y1d0 ff1 fs0 fc0 sc0 ls5 ws6">2<span class="blank _41"></span>1</div><div class="t m0 x3d h28 y1cf ff4 fs0 fc0 sc0 ls5">b</div><div class="t m0 x3d h28 y1d0 ff4 fs0 fc0 sc0 ls4c">a<span class="ff1 ls5 ws8 va"> . </span></div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf7" class="pf w0 h0" data-page-no="7"><div class="pc pc7 w0 h0"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls5 ws8">7 </div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x90 h2 y1d1 ff1 fs0 fc0 sc0 ls5 ws8">Desenvo<span class="blank _1"> </span>l<span class="blank _0"></span>ven<span class="blank _0"></span>do-<span class="blank _1"> </span>se o produto m<span class="blank _2"></span>at<span class="blank _1"> </span>r<span class="blank _1"> </span>i<span class="blank _2"></span>c<span class="blank _1"> </span>ial<span class="blank _2"></span>,<span class="blank _1"> </span> <span class="blank _1"> </span>verifi<span class="blank _0"></span>ca-se que <span class="blank _83"> </span><span class="ff3 vb">ú</span></div><div class="t m0 x3c h25 ye4 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x3c h25 ye6 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x51 h25 y1d2 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x51 h25 ye4 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x51 h25 ye6 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x56 h25 y1d3 ff3 fs0 fc0 sc0 ls5">=</div><div class="t m0 x47 h25 y1d2 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x47 h25 ye4 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x47 h25 ye6 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x3f h25 y1d2 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x3f h25 ye4 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x3f h36 ye6 ff3 fs0 fc0 sc0 ls4d">é<span class="ls5 v9">+</span></div><div class="t m0 xa7 h2 y6 ff1 fs0 fc0 sc0 ls5">4</div><div class="t m0 xa7 h2 ye7 ff1 fs0 fc0 sc0 ls5 ws6">3<span class="blank _66"></span>2</div><div class="t m0 x43 h28 y6 ff4 fs0 fc0 sc0 ls5">b</div><div class="t m0 x4c h28 ye7 ff4 fs0 fc0 sc0 ls5 ws33">b<span class="blank _1b"></span>a<span class="blank"> </span><span class="ff1 ws8 va">, ou sej<span class="blank _2"></span>a, </span></div><div class="t m0 x8f h25 y1d4 ff3 fs0 fc0 sc0 ls5">î</div><div class="t m0 x8f h25 y1d5 ff3 fs0 fc0 sc0 ls5">í</div><div class="t m0 x8f h25 y1d6 ff3 fs0 fc0 sc0 ls5">ì</div><div class="t m0 xe h25 y8e ff3 fs0 fc0 sc0 ls5">=</div><div class="t m0 x3 h25 y1d7 ff3 fs0 fc0 sc0 ls5 ws6">=<span class="blank _64"></span>+</div><div class="t m0 xb5 h2 y8e ff1 fs0 fc0 sc0 ls5">4</div><div class="t m0 xa9 h2 y1d7 ff1 fs0 fc0 sc0 ls5 ws6">3<span class="blank _40"></span>2</div><div class="t m0 xba h28 y8e ff4 fs0 fc0 sc0 ls5">b</div><div class="t m0 x55 h28 y1d7 ff4 fs0 fc0 sc0 ls5 ws34">b<span class="blank _40"></span>a<span class="blank"> </span><span class="ff1 ws8 va">. </span></div><div class="t m0 x90 h2 y1d8 ff1 fs0 fc0 sc0 ls5 ws8">Logo, <span class="blank _84"> </span><span class="ff3 vb">ú</span></div><div class="t m0 x26 h25 y1d9 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x26 h25 y1da ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x63 h25 y1db ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x63 h25 y1d9 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x63 h36 y1da ff3 fs0 fc0 sc0 ls4e">é<span class="ls5 v9">-</span></div><div class="t m0 xac h25 y1dc ff3 fs0 fc0 sc0 ls4f">=<span class="ff1 ls5 va">4</span></div><div class="t m0 xbb h2 y1dd ff1 fs0 fc0 sc0 ls5">5</div><div class="t m0 x9d h35 y1dc ff4 fs0 fc0 sc0 ls50">X<span class="ff1 ls5 ws8 v0">. </span></div><div class="t m0 x1 h2 y1de ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h6 y1df ff2 fs2 fc0 sc0 ls5 ws8">Exercíci<span class="blank _1"> </span>o<span class="blank _0"></span>s pr<span class="blank _1"> </span>opost<span class="blank _1"> </span>o<span class="blank _0"></span>s<span class="blank _1"> </span> </div><div class="t m0 x1 h6 y1e0 ff2 fs2 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y192 ff1 fs0 fc0 sc0 ls5 ws8">Q3. <span class="blank _38"> </span>Det<span class="blank _1"> </span>ermi<span class="blank _0"></span>nar <span class="blank _38"> </span>o<span class="blank _1"> </span>s <span class="blank _38"> </span>números <span class="blank _38"> </span>rea<span class="blank _1"> </span>i<span class="blank _2"></span>s <span class="blank _38"> </span>a <span class="blank _85"> </span>e <span class="blank _85"> </span>b <span class="blank _2a"> </span>d<span class="blank _1"> </span>e <span class="blank _85"> </span>m<span class="blank _0"></span>o<span class="blank _1"> </span>do <span class="blank _38"> </span>que <span class="blank _38"> </span>as <span class="blank _85"> </span>matri<span class="blank _0"></span>zes <span class="blank _85"> </span>A <span class="blank _38"> </span>e <span class="blank _85"> </span>B <span class="blank _38"> </span>sejam <span class="blank _85"> </span>iguais,<span class="blank _1"> </span> </div><div class="t m0 x1 h2 y1e1 ff1 fs0 fc0 sc0 ls5 ws8">dadas <span class="blank _86"> </span><span class="ff3 vb">ú</span></div><div class="t m0 x5 h25 y1e2 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x5 h25 y1e3 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x9d h25 y1e4 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x9d h25 y1e2 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x9d h25 y1e3 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x73 h25 y1e5 ff3 fs0 fc0 sc0 ls5">+</div><div class="t m0 xbc h25 y1e6 ff3 fs0 fc0 sc0 ls5">-</div><div class="t m0 xb5 h25 y1e7 ff3 fs0 fc0 sc0 ls51">=<span class="ff4 ls5 ws6 va">b<span class="blank _32"></span>a</span></div><div class="t m0 xbb h28 y1e6 ff4 fs0 fc0 sc0 ls5 ws6">b<span class="blank _1b"></span>a</div><div class="t m0 xbd h28 y1e7 ff4 fs0 fc0 sc0 ls52">A<span class="ff1 ls5 va">1</span></div><div class="t m0 x73 h2 y1e6 ff1 fs0 fc0 sc0 ls5 ws35">6<span class="blank _30"></span>2<span class="blank _1b"></span>5<span class="blank"> </span><span class="ws8 va"> e <span class="blank _62"> </span></span><span class="ff3 v12">ú</span></div><div class="t m0 x58 h25 y1e2 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x58 h25 y1e3 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 xaa h25 y1e4 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 xaa h25 y1e2 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 xaa h25 y1e3 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x38 h25 y1e7 ff3 fs0 fc0 sc0 ls26">=<span class="ff1 ls5 ws6 va">5<span class="blank _41"></span>1</span></div><div class="t m0 x82 h2 y1e6 ff1 fs0 fc0 sc0 ls5 ws6">6<span class="blank _3f"></span>4</div><div class="t m0 x33 h35 y1e7 ff4 fs0 fc0 sc0 ls53">B<span class="ff1 ls5 ws8 v0">. </span></div><div class="t m0 x1 h2 y1e8 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y1e9 ff1 fs0 fc0 sc0 ls5 ws8">Q4. Dadas as <span class="blank _1"> </span>m<span class="blank _2"></span>at<span class="blank _1"> </span>rizes<span class="blank _0"></span> <span class="blank _62"> </span><span class="ff3 vb">ú</span></div><div class="t m0 x8c h25 y1ea ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x8c h25 y1eb ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x37 h25 y1ec ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x37 h25 y1ea ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x37 h25 y1eb ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x70 h25 y1ed ff3 fs0 fc0 sc0 ls54">=<span class="ff1 ls5 ws6 va">3<span class="blank _41"></span>2</span></div><div class="t m0 x31 h2 y1ee ff1 fs0 fc0 sc0 ls5 ws6">2<span class="blank _32"></span>1</div><div class="t m0 x73 h35 y1ed ff4 fs0 fc0 sc0 ls27">A<span class="ff1 ls5 ws8 v0">, <span class="blank _62"> </span><span class="ff3 vb">ú</span></span></div><div class="t m0 x92 h25 y1ea ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x92 h25 y1eb ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x58 h25 y1ec ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x58 h25 y1ea ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x58 h25 y1eb ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x5f h25 y1ed ff3 fs0 fc0 sc0 ls26">=<span class="ff1 ls5 ws6 va">6<span class="blank _41"></span>7</span></div><div class="t m0 x68 h2 y1ee ff1 fs0 fc0 sc0 ls5 ws6">5<span class="blank _3f"></span>0</div><div class="t m0 xab h35 y1ed ff4 fs0 fc0 sc0 ls53">B<span class="ff1 ls5 ws8 v0"> e <span class="blank _e"> </span><span class="ff3 vb">ú</span></span></div><div class="t m0 x4c h25 y1ea ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x4c h25 y1eb ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x86 h25 y1ec ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x86 h25 y1ea ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x86 h25 y1eb ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 xc h25 y1ef ff3 fs0 fc0 sc0 ls5">-</div><div class="t m0 x5d h25 y1ee ff3 fs0 fc0 sc0 ls5">-</div><div class="t m0 x1d h25 y1ed ff3 fs0 fc0 sc0 ls55">=<span class="ff1 ls5 ws6 va">2<span class="blank _4a"></span>5</span></div><div class="t m0 x43 h2 y1ee ff1 fs0 fc0 sc0 ls5 ws6">7<span class="blank _34"></span>1</div><div class="t m0 x60 h35 y1ed ff4 fs0 fc0 sc0 ls56">C<span class="ff1 ls5 ws8 v0">, deter<span class="blank _1"> </span>m<span class="blank _0"></span>ine a matr<span class="blank _1"> </span>i<span class="blank _2"></span>z X<span class="blank _1"> </span> </span></div><div class="t m0 x1 h12 y1f0 ff1 fs0 fc0 sc0 ls5 ws8">t<span class="blank _1"> </span>al<span class="blank _2"></span> que X <span class="blank _1"> </span>+ A = B <span class="ff6 ls4">\u2013</span> C. </div><div class="t m0 x1 h2 y1f1 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y1f2 ff1 fs0 fc0 sc0 ls5 ws8">Q5. <span class="blank _38"> </span>Dadas <span class="blank _38"> </span>a<span class="blank _1"> </span>s <span class="blank _38"> </span>matr<span class="blank _1"> </span>i<span class="blank _2"></span>z<span class="blank _1"> </span>es </div><div class="t m0 x79 h8 y1f3 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 x79 h8 y1f4 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 x79 h8 y1f5 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 x79 h8 y1f6 ff3 fs3 fc0 sc0 ls5">û</div><div class="t m0 x79 h8 y62 ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m0 x71 h8 y1f3 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x71 h8 y1f4 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x71 h8 y1f5 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x71 h8 y1f6 ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m0 x71 h8 y62 ff3 fs3 fc0 sc0 ls5">é</div><div class="t m0 x38 h8 y1f2 ff3 fs3 fc0 sc0 ls5 ws0">-<span class="blank _49"></span>=</div><div class="t m0 x84 h9 y1f7 ff1 fs3 fc0 sc0 ls5 ws0">1<span class="blank _34"></span>0<span class="blank _34"></span>2</div><div class="t m0 x84 h9 y1f2 ff1 fs3 fc0 sc0 ls5 ws0">2<span class="blank _56"></span>1<span class="blank _64"></span>0</div><div class="t m0 x84 h9 yb1 ff1 fs3 fc0 sc0 ls5 ws0">0<span class="blank _34"></span>0<span class="blank _6e"></span>1</div><div class="t m0 x96 h2 y1f2 ff4 fs3 fc0 sc0 ls40">A<span class="ff1 fs0 ls5 ws8"> <span class="blank _38"> </span>e </span></div><div class="t m0 xbe h8 y1f3 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 xbe h8 y1f4 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 xbe h8 y1f5 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 xbe h8 y1f6 ff3 fs3 fc0 sc0 ls5">û</div><div class="t m0 xbe h8 y62 ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m0 x61 h8 y1f3 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x61 h8 y1f4 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x61 h8 y1f5 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x61 h8 y1f6 ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m0 x61 h8 y62 ff3 fs3 fc0 sc0 ls5">é</div><div class="t m0 x92 h8 y1f2 ff3 fs3 fc0 sc0 ls5">=</div><div class="t m0 xb9 h9 y1f7 ff1 fs3 fc0 sc0 ls5">1</div><div class="t m0 xb9 h9 y1f2 ff1 fs3 fc0 sc0 ls5">3</div><div class="t m0 xb9 h9 yb1 ff1 fs3 fc0 sc0 ls5">2</div><div class="t m0 xbf h2 y1f2 ff4 fs3 fc0 sc0 ls57">B<span class="ff1 fs0 ls5 ws8">, <span class="blank _38"> </span>deter<span class="blank _1"> </span>m<span class="blank _0"></span>ine <span class="blank _38"> </span>a <span class="blank _85"> </span>matriz <span class="blank _38"> </span>X<span class="blank _1"> </span> <span class="blank _38"> </span>na <span class="blank _38"> </span>equação </span></div><div class="t m0 x1 h2 y1f8 ff1 fs0 fc0 sc0 ls5 ws8">matr<span class="blank _1"> </span>i<span class="blank _2"></span>c<span class="blank _1"> </span>ial<span class="blank _2"></span> <span class="blank _1"> </span>AX = B. </div><div class="t m0 x1 h2 y6b ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h6 y1f9 ff2 fs2 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h6 y1fa ff2 fs2 fc0 sc0 ls5 ws8">M<span class="blank _1"> </span>atriz<span class="blank _0"></span> i<span class="blank _1"> </span>n<span class="blank _0"></span>versa<span class="blank _1"> </span> </div><div class="t m0 x1 h6 y1fb ff2 fs2 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y1fc ff1 fs0 fc0 sc0 ls5 ws8"> <span class="blank _3"> </span>Seja <span class="blank _10"> </span>A <span class="blank _2a"> </span>u<span class="blank _1"> </span>ma <span class="blank _10"> </span>matr<span class="blank _1"> </span>iz <span class="blank _1"> </span>quadr<span class="blank _1"> </span>ada <span class="blank _10"> </span>d<span class="blank _1"> </span>e <span class="blank _10"> </span>o<span class="blank _1"> </span>rdem <span class="blank _2a"> </span>n. <span class="blank _10"> </span>Se <span class="blank _2a"> </span>X <span class="blank _2a"> </span>é <span class="blank _2a"> </span>u<span class="blank _1"> </span>m<span class="blank _2"></span>a <span class="blank _38"> </span>matr<span class="blank _1"> </span>i<span class="blank _2"></span>z <span class="blank _2a"> </span>t<span class="blank _1"> </span>al<span class="blank _0"></span> <span class="blank _10"> </span>qu<span class="blank _1"> </span>e <span class="blank _38"> </span>A<span class="blank _0"></span>X <span class="blank _10"> </span>=<span class="blank _1"> </span> <span class="blank _2a"> </span>I<span class="fs7 ls21 v3">n</span> <span class="blank _2a"> </span>e<span class="blank _1"> </span> </div><div class="t m0 x1 h2 y1fd ff1 fs0 fc0 sc0 ls5 ws8">XA<span class="blank _0"></span> = I<span class="blank _1"> </span><span class="fs7 v3">n</span></div><div class="t m0 x28 h2 y1fd ff1 fs0 fc0 sc0 ls5 ws8">, então <span class="blank _1"> </span>X é cham<span class="blank _2"></span>ada de <span class="blank _1"> </span><span class="ff4">matriz inversa</span> de A e é <span class="blank _1"> </span>i<span class="blank _0"></span>ndicada por A</div><div class="t m0 xb2 h33 y1fe ff1 fs7 fc0 sc0 ls5 ws36">-1<span class="fs0 ws8 v8">. </span></div><div class="t m0 x1 h2 y1ff ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y200 ff1 fs0 fc0 sc0 ls5 ws8"> <span class="blank _3"> </span>Val<span class="blank _0"></span>e ressa<span class="blank _1"> </span>l<span class="blank _2"></span>t<span class="blank _1"> </span>ar que <span class="blank _1"> </span>n<span class="blank _0"></span>em to<span class="blank _1"> </span>da m<span class="blank _0"></span>atr<span class="blank _1"> </span>i<span class="blank _2"></span>z quadrada ad<span class="blank _1"> </span>mi<span class="blank _2"></span>t<span class="blank _1"> </span>e <span class="blank _1"> </span>um<span class="blank _0"></span>a <span class="blank _1"> </span>m<span class="blank _2"></span>at<span class="blank _1"> </span>r<span class="blank _1"> </span>i<span class="blank _2"></span>z <span class="blank _1"> </span>inversa. </div><div class="t m0 x1 h2 y201 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h5 y10a ff2 fs0 fc0 sc0 ls5 ws8">Encontrando a invers<span class="blank _0"></span>a de <span class="blank _1"> </span>uma matr<span class="blank _2"></span>i<span class="blank _1"> </span>z<span class="blank _1"> </span> </div><div class="t m0 x1 h5 y202 ff2 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y203 ff7 fs0 fc0 sc0 ls6">§<span class="ff8 ls7 ws8"> <span class="ff1 ls5">Determine, se exi<span class="blank _0"></span>st<span class="blank _1"> </span>i<span class="blank _2"></span>r<span class="blank _1"> </span>, a <span class="blank _1"> </span>inv<span class="blank _0"></span>ersa da <span class="blank _1"> </span>m<span class="blank _2"></span>at<span class="blank _1"> </span>r<span class="blank _1"> </span>i<span class="blank _2"></span>z <span class="blank _87"> </span><span class="ff3 vb">ú</span></span></span></div><div class="t m0 x97 h25 y204 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x97 h25 y36 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x98 h25 y35 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x98 h25 y204 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x98 h25 y36 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x60 h25 y205 ff3 fs0 fc0 sc0 ls5">-</div><div class="t m0 x12 h25 y206 ff3 fs0 fc0 sc0 ls58">=<span class="ff1 ls5 ws6 va">1<span class="blank _3f"></span>2</span></div><div class="t m0 x5d h2 y207 ff1 fs0 fc0 sc0 ls5 ws6">2<span class="blank _26"></span>1</div><div class="t m0 x36 h35 y206 ff4 fs0 fc0 sc0 ls59">A<span class="ff1 ls5 ws8 v0">. </span></div><div class="t m0 x90 h2 y208 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x90 h2 y209 ff1 fs0 fc0 sc0 ls5 ws8">Sendo <span class="blank _88"> </span><span class="ff3 vb">ú</span></div><div class="t m0 x2f h25 y20a ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x2f h25 y20b ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x63 h25 y20c ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x63 h25 y20a ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x63 h25 y20b ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x2a h25 y20d ff3 fs0 fc0 sc0 ls5">-</div><div class="t m0 xac h25 y20e ff3 fs0 fc0 sc0 ls58">=<span class="ff1 ls5 ws6 va">1<span class="blank _3f"></span>2</span></div><div class="t m0 x52 h2 y20f ff1 fs0 fc0 sc0 ls5 ws6">2<span class="blank _26"></span>1</div><div class="t m0 x6a h35 y20e ff4 fs0 fc0 sc0 ls59">A<span class="ff1 ls5 ws8 v0"> e fazendo <span class="blank _89"> </span><span class="ff3 vb">ú</span></span></div><div class="t m0 x19 h25 y20a ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x19 h25 y20b ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x5a h25 y20c ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x5a h25 y20a ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x5a h25 y20b ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x82 h25 y20e ff3 fs0 fc0 sc0 ls5">=</div><div class="t m0 x67 h4d y210 ff3 fs10 fc0 sc0 ls5">-</div><div class="t m0 xa3 h28 y20d ff4 fs0 fc0 sc0 ls5 ws6">d<span class="blank _32"></span>c</div><div class="t m0 x92 h28 y20f ff4 fs0 fc0 sc0 ls5 ws6">b<span class="blank _51"></span>a</div><div class="t m0 x91 h4e y20e ff4 fs0 fc0 sc0 ls5a">A<span class="ff1 fs10 ls5b vf">1</span><span class="ff1 ls5 ws8 v0">, t<span class="blank _1"> </span>em<span class="blank _2"></span>-s<span class="blank _1"> </span>e: </span></div><div class="t m0 x42 h25 y211 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x42 h25 y212 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x42 h25 y213 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x3c h25 y211 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x3c h25 y212 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x3c h25 y213 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 xc0 h25 y214 ff3 fs0 fc0 sc0 ls5">=</div><div class="t m0 x56 h25 y211 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x56 h25 y212 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x56 h25 y213 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x61 h25 y211 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x61 h25 y212 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x61 h25 y213 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x4c h25 y215 ff3 fs0 fc0 sc0 ls5 ws6">+<span class="blank _40"></span>-<span class="blank _1d"></span>+<span class="blank _18"></span>-</div><div class="t m0 x20 h25 y216 ff3 fs0 fc0 sc0 ls5 ws6">+<span class="blank _8a"></span>+</div><div class="t m0 x68 h25 y214 ff3 fs0 fc0 sc0 ls5">Þ</div><div class="t m0 x1e h25 y211 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x1e h25 y212 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x1e h25 y213 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x67 h25 y211 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x67 h25 y212 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x67 h25 y213 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x91 h25 y214 ff3 fs0 fc0 sc0 ls5">=</div><div class="t m0 xc1 h25 y211 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 xc1 h25 y212 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 xc1 h25 y213 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 x25 h25 y211 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 x25 h25 y212 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 x25 h25 y213 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x77 h25 y211 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m0 x77 h25 y212 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 x77 h25 y213 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 xbb h25 y211 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 xbb h25 y212 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 xbb h25 y213 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m0 x26 h25 y215 ff3 fs0 fc0 sc0 ls5">-</div><div class="t m0 xbc h25 y214 ff3 fs0 fc0 sc0 ls5 ws6">Þ<span class="blank _6f"></span>=</div><div class="t m0 x81 h4d y217 ff3 fs10 fc0 sc0 ls5">-</div><div class="t m0 x40 h2 y215 ff1 fs0 fc0 sc0 ls5 ws6">1<span class="blank _3f"></span>0</div><div class="t m0 x40 h2 y216 ff1 fs0 fc0 sc0 ls5 ws6">0<span class="blank _3f"></span>1</div><div class="t m0 xc2 h2 y215 ff1 fs0 fc0 sc0 ls5 ws6">2<span class="blank _8a"></span>2</div><div class="t m0 x3a h2 y216 ff1 fs0 fc0 sc0 ls5 ws6">2<span class="blank _59"></span>2</div><div class="t m0 x2c h2 y215 ff1 fs0 fc0 sc0 ls5 ws6">1<span class="blank _2c"></span>0</div><div class="t m0 x2c h2 y216 ff1 fs0 fc0 sc0 ls5 ws6">0<span class="blank _41"></span>1</div><div class="t m0 x76 h2 y214 ff1 fs0 fc0 sc0 ls5">.</div><div class="t m0 x96 h2 y215 ff1 fs0 fc0 sc0 ls5 ws6">1<span class="blank _3f"></span>2</div><div class="t m0 x96 h2 y216 ff1 fs0 fc0 sc0 ls5 ws6">2<span class="blank _26"></span>1</div><div class="t m0 x2b h2 y214 ff1 fs0 fc0 sc0 ls5c">.<span class="fs10 ls5 v14">2</span></div><div class="t m0 xc3 h27 y217 ff1 fs10 fc0 sc0 ls5">1</div><div class="t m0 x48 h28 y215 ff4 fs0 fc0 sc0 ls5 ws6">d<span class="blank _32"></span>b<span class="blank _8b"></span>c<span class="blank _3f"></span>a</div><div class="t m0 x4d h28 y216 ff4 fs0 fc0 sc0 ls5 ws6">d<span class="blank _40"></span>b<span class="blank _13"></span>c<span class="blank _1b"></span>a</div><div class="t m0 x74 h28 y215 ff4 fs0 fc0 sc0 ls5 ws6">d<span class="blank _32"></span>c</div><div class="t m0 x74 h28 y216 ff4 fs0 fc0 sc0 ls5 ws6">b<span class="blank _51"></span>a</div><div class="t m0 x7e h35 y214 ff4 fs0 fc0 sc0 ls5 ws37">I<span class="blank _1f"></span>A<span class="blank _8c"></span>A<span class="blank"> </span><span class="ff1 ws8 v0"> </span></div><div class="t m0 x90 h2 y218 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x90 h2 y219 ff1 fs0 fc0 sc0 ls5 ws8">Da condição de i<span class="blank _0"></span>gualdade de <span class="blank _1"> </span>duas m<span class="blank _0"></span>atr<span class="blank _1"> </span>i<span class="blank _0"></span>zes, seguem<span class="blank _0"></span> o<span class="blank _1"> </span>s seguin<span class="blank _2"></span>t<span class="blank _1"> </span>es siste<span class="blank _1"> </span>mas<span class="blank _0"></span>: </div><div class="t m0 x90 h2 y21a ff1 fs0 fc0 sc0 ls5 ws8"> </div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf8" class="pf w0 h0" data-page-no="8"><div class="pc pc8 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x4b y21b wa h4f" alt="" src="https://files.passeidireto.com/149d3ac4-622c-4313-8c0e-1d7a32309792/bg8.png"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls5 ws8">8 </div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x10 h2 y21c ff1 fs0 fc0 sc0 ls5">5</div><div class="t m0 x10 h2 y21d ff1 fs0 fc0 sc0 ls5">2</div><div class="t m0 x70 h2 y21c ff1 fs0 fc0 sc0 ls5">5</div><div class="t m0 x70 h2 y21d ff1 fs0 fc0 sc0 ls5">1</div><div class="t m0 xc4 h2 y6 ff1 fs0 fc0 sc0 ls5 ws6">0<span class="blank _5b"></span>2</div><div class="t m0 x2e h2 ye7 ff1 fs0 fc0 sc0 ls5 ws38">1<span class="blank _16"></span>2<span class="blank"> </span><span class="ff3 ws6 va">=<span class="blank _6c"></span>=<span class="blank _13"></span>Þ</span></div><div class="t m0 x8f h25 ye4 ff3 fs0 fc0 sc0 ls5">î</div><div class="t m0 x8f h25 ye5 ff3 fs0 fc0 sc0 ls5">í</div><div class="t m0 x8f h25 ye6 ff3 fs0 fc0 sc0 ls5">ì</div><div class="t m0 x21 h25 y6 ff3 fs0 fc0 sc0 ls5 ws6">=<span class="blank _51"></span>+<span class="blank _40"></span>-</div><div class="t m0 xbc h25 ye7 ff3 fs0 fc0 sc0 ls5 ws39">=<span class="blank _18"></span>+<span class="blank"> </span><span class="ff4 ws6 va">c<span class="blank _57"></span>e<span class="blank _8d"></span>a</span></div><div class="t m0 x3 h28 y6 ff4 fs0 fc0 sc0 ls5 ws6">c<span class="blank _3f"></span>a</div><div class="t m0 xac h28 ye7 ff4 fs0 fc0 sc0 ls5 ws3a">c<span class="blank _1b"></span>a<span class="blank"> </span><span class="ff1 ws8 va"> <span class="blank _1"> </span> <span class="blank _8e"> </span><span class="v15">5</span></span></div><div class="t m0 xc5 h2 y21d ff1 fs0 fc0 sc0 ls5">1</div><div class="t m0 x56 h2 y21c ff1 fs0 fc0 sc0 ls5">5</div><div class="t m0 x56 h2 y21d ff1 fs0 fc0 sc0 ls5">2</div><div class="t m0 x46 h2 y6 ff1 fs0 fc0 sc0 ls5 ws6">1<span class="blank _5b"></span>2</div><div class="t m0 x14 h2 ye7 ff1 fs0 fc0 sc0 ls5 ws3b">0<span class="blank _27"></span>2<span class="blank"> </span><span class="ff3 ws6 va">=<span class="blank _22"></span>-<span class="blank _57"></span>=<span class="blank _18"></span>Þ</span></div><div class="t m0 x2 h25 ye4 ff3 fs0 fc0 sc0 ls5">î</div><div class="t m0 x2 h25 ye5 ff3 fs0 fc0 sc0 ls5">í</div><div class="t m0 x2 h25 ye6 ff3 fs0 fc0 sc0 ls5">ì</div><div class="t m0 xa6 h25 y6 ff3 fs0 fc0 sc0 ls5 ws6">=<span class="blank _5a"></span>+<span class="blank _8f"></span>-</div><div class="t m0 x13 h25 ye7 ff3 fs0 fc0 sc0 ls5 ws3c">=<span class="blank _1d"></span>+<span class="blank"> </span><span class="ff4 ws6 va">d<span class="blank _6a"></span>e<span class="blank _55"></span>b</span></div><div class="t m0 x3e h28 y6 ff4 fs0 fc0 sc0 ls5 ws6">d<span class="blank _32"></span>b</div><div class="t m0 x1d h28 ye7 ff4 fs0 fc0 sc0 ls5 ws3d">d<span class="blank _40"></span>b<span class="blank"> </span><span class="ff1 ws8 va"> </span></div><div class="t m0 x90 h2 ye8 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x90 h2 y21e ff1 fs0 fc0 sc0 ls5 ws8">Portanto, <span class="blank _90"> </span><span class="ff3 fs16 vc">ú</span></div><div class="t m0 x71 h3b y21f ff3 fs16 fc0 sc0 ls5">ú</div><div class="t m0 x71 h3b y220 ff3 fs16 fc0 sc0 ls5">ú</div><div class="t m0 x71 h3b y126 ff3 fs16 fc0 sc0 ls5">û</div><div class="t m0 x71 h3b y221 ff3 fs16 fc0 sc0 ls5">ù</div><div class="t m0 xb8 h3b y222 ff3 fs16 fc0 sc0 ls5">ê</div><div class="t m0 xb8 h3b y21f ff3 fs16 fc0 sc0 ls5">ê</div><div class="t m0 xb8 h3b y220 ff3 fs16 fc0 sc0 ls5">ê</div><div class="t m0 xb8 h3b y126 ff3 fs16 fc0 sc0 ls5">ë</div><div class="t m0 xb8 h3b y221 ff3 fs16 fc0 sc0 ls5d">é<span class="ls5 v16">-</span></div><div class="t m0 xc6 h3b y21e ff3 fs16 fc0 sc0 ls5">=</div><div class="t m1 x9c h50 y223 ff3 fs19 fc0 sc0 ls5">-</div><div class="t m1 x5 h3d y224 ff1 fs16 fc0 sc0 ls5">5</div><div class="t m1 x5 h3d y225 ff1 fs16 fc0 sc0 ls5">1</div><div class="t m1 x8d h3d y224 ff1 fs16 fc0 sc0 ls5">5</div><div class="t m1 x8d h51 y225 ff1 fs16 fc0 sc0 ls5e">2<span class="ls5 v10">5</span></div><div class="t m1 x76 h3d y226 ff1 fs16 fc0 sc0 ls5">2</div><div class="t m1 x8d h3d y227 ff1 fs16 fc0 sc0 ls5">5</div><div class="t m1 x8d h3d y226 ff1 fs16 fc0 sc0 ls5">1</div><div class="t m1 x2a h52 y223 ff1 fs19 fc0 sc0 ls5">1</div><div class="t m1 xa9 h53 y21e ff4 fs16 fc0 sc0 ls5">A</div><div class="t m0 x17 h2 y21e ff1 fs0 fc0 sc0 ls5 ws8">. </div><div class="t m0 x90 h2 y228 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h6 y229 ff2 fs2 fc0 sc0 ls5 ws8">Questões <span class="blank _1"> </span>propostas<span class="blank _1"> </span> </div><div class="t m0 x90 h6 y22a ff2 fs2 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y22b ff1 fs0 fc0 sc0 ls5 ws8">Q6. (<span class="blank _1"> </span>UNI-RIO)<span class="blank _0"></span> Dada a m<span class="blank _0"></span>atr<span class="blank _1"> </span>i<span class="blank _0"></span>z <span class="blank _91"> </span><span class="ff3 vb">ú</span></div><div class="t m0 xa5 h25 y133 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m0 xa5 h25 y22c ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m0 xaa h25 y195 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m0 xaa h25 y133 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m0 xaa h36 y22c ff3 fs0 fc0 sc0 ls5f">é<span class="ls5 ws6 v9">-<span class="blank _1d"></span>-</span></div><div class="t m0 x38 h25 y22d ff3 fs0 fc0 sc0 ls55">=<span class="ff1 ls5 ws6 va">2<span class="blank _21"></span>3</span></div><div class="t m0 x1e h2 y22e ff1 fs0 fc0 sc0 ls5 ws6">3<span class="blank _21"></span>5</div><div class="t m0 x6 h35 y22d ff4 fs0 fc0 sc0 ls60">A<span class="ff1 ls5 ws8 v0">, deter<span class="blank _1"> </span>m<span class="blank _0"></span>ine o val<span class="blank _0"></span>or<span class="blank _1"> </span> de A</span></div><div class="t m0 xb2 h54 ye ff6 fs7 fc0 sc0 ls21">\u2013<span class="ff1">1<span class="fs0 ls5 ws8 v8"> + A</span></span></div><div class="t m0 x40 h55 ye ff1 fs7 fc0 sc0 ls5 ws7">t<span class="fs0 ls9 ws8 v8"> <span class="ff6 ls4">\u2013<span class="ff1 ls5"> I<span class="fs7 v3">2</span></span></span></span></div><div class="t m0 x7c h2 y22b ff1 fs0 fc0 sc0 ls5 ws8">. </div><div class="t m0 x1 h56 y22f ff1 fs0 fc0 sc0 ls5 ws8">Q7. Verifi<span class="blank _0"></span>car <span class="blank _1"> </span>se <span class="ffc ws3e">\ue601<span class="blank"> </span>=<span class="blank _70"> </span><span class="v0">\ue601</span></span></div><div class="t m0 xa2 h57 y230 ffc fs0 fc0 sc0 ls5 ws3f">2<span class="blank"> </span>3</div><div class="t m0 xa2 h58 y231 ffc fs0 fc0 sc0 ls5 ws3f">3<span class="blank"> </span>5<span class="v17">\ue601</span></div><div class="t m0 x83 h2 y22f ff1 fs0 fc0 sc0 ls5 ws8"> é inv<span class="blank _0"></span>ersível e o<span class="blank _1"> </span>bter, caso <span class="blank _1"> </span>exi<span class="blank _2"></span>sta,<span class="blank _1"> </span> sua <span class="blank _1"> </span>i<span class="blank _0"></span>nvers<span class="blank _0"></span>a.<span class="blank _1"> </span> </div><div class="t m0 x90 h2 y232 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x90 h2 y13 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h6 y13d ff2 fs2 fc0 sc0 ls5 ws8">Questões <span class="blank _1"> </span>compleme<span class="blank _1"> </span>ntares </div><div class="t m0 x1 h2 y233 ff1 fs0 fc0 sc0 ls1b ws8"> <span class="ls5 v4"> </span></div><div class="t m0 x1 h2 y234 ff1 fs0 fc0 sc0 ls5 ws8">Q8. <span class="blank _2a"> </span>(UERJ) <span class="blank _2a"> </span>A <span class="blank _10"> </span>t<span class="blank _1"> </span>em<span class="blank _0"></span>peratur<span class="blank _1"> </span>a <span class="blank _10"> </span>corpor<span class="blank _1"> </span>al<span class="blank _2"></span> <span class="blank _2a"> </span>de <span class="blank _2a"> </span>u<span class="blank _1"> </span>m <span class="blank _10"> </span>pacient<span class="blank _1"> </span>e <span class="blank _10"> </span>fo<span class="blank _1"> </span>i<span class="blank _2"></span> <span class="blank _38"> </span>medida, <span class="blank _10"> </span>e<span class="blank _1"> </span>m<span class="blank _0"></span> <span class="blank _10"> </span>gr<span class="blank _1"> </span>aus <span class="blank _2a"> </span>Celsius<span class="blank _0"></span>, <span class="blank _2a"> </span>t<span class="blank _1"> </span>rês </div><div class="t m0 x1 h2 y235 ff1 fs0 fc0 sc0 ls5 ws8">vezes ao<span class="blank _1"> </span> <span class="blank _1"> </span>dia, dur<span class="blank _1"> </span>an<span class="blank _0"></span>te <span class="blank _1"> </span>c<span class="blank _1"> </span>in<span class="blank _2"></span>co<span class="blank _1"> </span> <span class="blank _1"> </span>d<span class="blank _1"> </span>i<span class="blank _2"></span>as. <span class="blank _1"> </span>Cada <span class="blank _1"> </span>elemento<span class="blank _1"> </span> <span class="blank _1"> </span><span class="ffd ls4">a<span class="fs7 ls5 ws7 v3">ij</span></span> <span class="blank _1"> </span>da <span class="blank _10"> </span>m<span class="blank _2"></span>at<span class="blank _1"> </span>ri<span class="blank _0"></span>z co<span class="blank _1"> </span>rr<span class="blank _1"> </span>esponde à <span class="blank _1"> </span>t<span class="blank _1"> </span>em<span class="blank _2"></span>perat<span class="blank _1"> </span>ura </div><div class="t m0 x1 h2 y19 ff1 fs0 fc0 sc0 ls5 ws8">observ<span class="blank _0"></span>ada no <span class="blank _10"> </span>in<span class="blank _2"></span>st<span class="blank _1"> </span>an<span class="blank _0"></span>te <span class="blank _1"> </span><span class="ffd ls2">i</span> do dia <span class="ffd ls2">j</span>. </div><div class="t m0 xc h8 y236 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 xc h8 y237 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 xc h8 y238 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m0 xc h8 y1d ff3 fs3 fc0 sc0 ls5">û</div><div class="t m0 xc h8 y239 ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m0 x34 h8 y236 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x34 h8 y237 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x34 h8 y238 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m0 x34 h8 y1d ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m0 x34 h8 y239 ff3 fs3 fc0 sc0 ls5">é</div><div class="t m0 xf h9 y74 ff1 fs3 fc0 sc0 ls5 ws0">2<span class="blank _12"></span>,<span class="blank _17"></span>39<span class="blank _1b"></span>0<span class="blank _19"></span>,<span class="blank _17"></span>37<span class="blank _1b"></span>1<span class="blank _15"></span>,<span class="blank _14"></span>36<span class="blank _18"></span>7<span class="blank _12"></span>,<span class="blank _14"></span>35<span class="blank _1b"></span>5<span class="blank _19"></span>,<span class="blank _14"></span>35</div><div class="t m0 xf h9 y23a ff1 fs3 fc0 sc0 ls5 ws0">4<span class="blank _92"></span>,<span class="blank _14"></span>40<span class="blank _1b"></span>5<span class="blank _12"></span>,<span class="blank _14"></span>40<span class="blank _8f"></span>2<span class="blank _12"></span>,<span class="blank _17"></span>37<span class="blank _16"></span>0<span class="blank _12"></span>,<span class="blank _17"></span>37<span class="blank _16"></span>1<span class="blank _15"></span>,<span class="blank _14"></span>36</div><div class="t m0 xf h9 y23b ff1 fs3 fc0 sc0 ls5 ws0">0<span class="blank _12"></span>,<span class="blank _14"></span>36<span class="blank _8f"></span>0<span class="blank _12"></span>,<span class="blank _1a"></span>38<span class="blank _8f"></span>6<span class="blank _12"></span>,<span class="blank _14"></span>38<span class="blank _1b"></span>4<span class="blank _12"></span>,<span class="blank _17"></span>36<span class="blank _16"></span>6<span class="blank _19"></span>,<span class="blank _17"></span>35</div><div class="t m0 x50 h2 y23a ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x90 h2 ybd ff1 fs0 fc0 sc0 ls5 ws8">Determine: </div><div class="t m0 x90 h2 ybe ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x90 h2 y23c ff1 fs0 fc0 sc0 ls5 ws6">a)<span class="ff8 ls23 ws8"> </span><span class="ws8">o instante e o <span class="blank _1"> </span>di<span class="blank _2"></span>a e<span class="blank _1"> </span>m<span class="blank _0"></span> que o<span class="blank _1"> </span> paci<span class="blank _2"></span>e<span class="blank _1"> </span>nte apresent<span class="blank _1"> </span>ou a m<span class="blank _0"></span>ai<span class="blank _0"></span>or<span class="blank _1"> </span> t<span class="blank _1"> </span>em<span class="blank _2"></span>perat<span class="blank _1"> </span>ura; </span></div><div class="t m0 x90 h2 yc4 ff1 fs0 fc0 sc0 ls5 ws40">b)<span class="ff8 ls1a ws8"> </span><span class="ws8">a t<span class="blank _1"> </span>em<span class="blank _2"></span>perat<span class="blank _1"> </span>ura <span class="blank _1"> </span>m<span class="blank _2"></span>éd<span class="blank _1"> </span>i<span class="blank _0"></span>a do<span class="blank _1"> </span> paci<span class="blank _2"></span>e<span class="blank _1"> </span>nte no t<span class="blank _1"> </span>ercei<span class="blank _0"></span>ro<span class="blank _1"> </span> di<span class="blank _2"></span>a <span class="blank _1"> </span>de o<span class="blank _1"> </span>b<span class="blank _0"></span>serv<span class="blank _0"></span>ação<span class="blank _1"> </span>. </span></div><div class="t m0 x90 h6 y23d ff2 fs2 fc0 sc0 ls5 ws8"> </div><div class="t m0 x90 h2 y23e ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x90 h2 y23f ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y240 ff1 fs0 fc0 sc0 ls5 ws8">Q9. <span class="blank _2a"> </span>(UFG) <span class="blank _10"> </span>Sej<span class="blank _0"></span>a </div><div class="c xa2 y241 w7 h2c"><div class="t md x4 h14 y6a ff3 fs8 fc0 sc0 ls5">[</div></div><div class="c x23 y241 w7 h2c"><div class="t md x4 h14 y6a ff3 fs8 fc0 sc0 ls5">]</div></div><div class="t m1 x76 h16 y242 ff4 fs9 fc0 sc0 ls5 wsb">xn<span class="blank _80"></span>n</div><div class="t m1 x9 h16 y243 ff4 fs9 fc0 sc0 ls5 wsb">ij</div><div class="t m1 x2f h5 y240 ff4 fsa fc0 sc0 ls5 ws41">a<span class="blank _93"></span>M<span class="blank"> </span><span class="ff3 ls61">=<span class="ff2 fs0 ls62 ws8"> <span class="ff1 ls5">um<span class="blank _2"></span>a <span class="blank _38"> </span>matriz <span class="blank _10"> </span>quadrada <span class="blank _10"> </span>de <span class="blank _2a"> </span>ordem<span class="blank _0"></span> <span class="blank _2a"> </span>n, <span class="blank _2a"> </span>onde <span class="blank _10"> </span>a<span class="fs7 ws7 v3">ij</span> <span class="blank _10"> </span>= <span class="blank _38"> </span>i<span class="blank _2"></span> <span class="blank _2a"> </span>+ <span class="blank _38"> </span>j<span class="blank _2"></span>.<span class="blank _1"> </span> <span class="blank _10"> </span>Nessas </span></span></span></div><div class="t m1 x1 h2 y1ad ff1 fs0 fc0 sc0 ls5 ws8">condi<span class="blank _0"></span>ções, <span class="blank _1"> </span>a som<span class="blank _0"></span>a do<span class="blank _1"> </span>s el<span class="blank _0"></span>emento<span class="blank _1"> </span>s da di<span class="blank _2"></span>ago<span class="blank _1"> </span>nal<span class="blank _0"></span> pr<span class="blank _1"> </span>incipal<span class="blank _2"></span> <span class="blank _1"> </span>d<span class="blank _1"> </span>a dess<span class="blank _0"></span>a <span class="blank _1"> </span>matriz é: </div><div class="t m1 x90 h2 y2e ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x90 h2 y244 ff1 fs0 fc0 sc0 ls5 ws8">a) n</div><div class="t m1 xe h33 y16d ff1 fs7 fc0 sc0 ls21">2<span class="fs0 ls5 ws8 v8"> b) 2n + 2n</span></div><div class="t m1 x71 h33 y16d ff1 fs7 fc0 sc0 ls21">2<span class="fs0 ls5 ws8 v8"> c) 2n + n</span></div><div class="t m1 xc7 h33 y16d ff1 fs7 fc0 sc0 ls21">2<span class="fs0 ls5 ws8 v8"> d) <span class="blank _1"> </span>n</span></div><div class="t m1 xf h33 y16d ff1 fs7 fc0 sc0 ls21">2<span class="fs0 ls5 ws8 v8"> + n<span class="blank _0"></span> <span class="blank _1"> </span>e) n<span class="blank _0"></span> + 2n</span></div><div class="t m1 x7b h33 y16d ff1 fs7 fc0 sc0 ls21">2<span class="fs0 ls5 ws8 v8"> </span></div><div class="t m1 x1 h2 y245 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x1 h2 y246 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x1 h2 y247 ff1 fs0 fc0 sc0 ls5 ws8">Q10. (<span class="blank _1"> </span>UCS-BA<span class="blank _0"></span>) A equação m<span class="blank _0"></span>atr<span class="blank _1"> </span>ici<span class="blank _0"></span>al </div><div class="t m1 xc8 h8 y248 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 xc8 h8 y249 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 xc8 h8 y24a ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 xc8 h8 y24b ff3 fs3 fc0 sc0 ls5">û</div><div class="t m1 xc8 h8 y20d ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m1 x5c h8 y248 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x5c h8 y249 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x5c h8 y24a ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x5c h8 y24b ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m1 x5c h8 y20d ff3 fs3 fc0 sc0 ls5">é</div><div class="t m1 x1b h8 y247 ff3 fs3 fc0 sc0 ls5 ws0">-<span class="blank _67"></span>=</div><div class="t m1 x18 h8 y248 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x18 h8 y249 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x18 h8 y24a ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x18 h8 y24b ff3 fs3 fc0 sc0 ls5">û</div><div class="t m1 x18 h8 y20d ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m1 x1d h8 y248 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x1d h8 y249 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x1d h8 y24a ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x1d h8 y24b ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m1 x1d h8 y20d ff3 fs3 fc0 sc0 ls5">é</div><div class="t m1 xbe h8 y248 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 xbe h8 y249 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 xbe h8 y24a ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 xbe h8 y24b ff3 fs3 fc0 sc0 ls5">û</div><div class="t m1 xbe h8 y20d ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m1 x9b h8 y248 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x9b h8 y249 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x9b h8 y24a ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x9b h8 y24b ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m1 x9b h8 y20d ff3 fs3 fc0 sc0 ls5">é</div><div class="t m1 x19 h8 y247 ff3 fs3 fc0 sc0 ls5">-</div><div class="t m1 x5f h8 y24c ff3 fs3 fc0 sc0 ls5">-</div><div class="t m1 xc h9 y24d ff1 fs3 fc0 sc0 ls5">1</div><div class="t m1 x43 h9 y247 ff1 fs3 fc0 sc0 ls5">2</div><div class="t m1 xc h9 y24c ff1 fs3 fc0 sc0 ls5">3</div><div class="t m1 x6b h9 y24d ff1 fs3 fc0 sc0 ls5 ws0">1<span class="blank _25"></span>0<span class="blank _26"></span>0</div><div class="t m1 x98 h9 y247 ff1 fs3 fc0 sc0 ls5 ws0">2<span class="blank _1d"></span>1<span class="blank _25"></span>1</div><div class="t m1 x6b h9 y24c ff1 fs3 fc0 sc0 ls5 ws0">0<span class="blank _26"></span>1<span class="blank _3f"></span>2</div><div class="t m1 xa6 h18 y24d ff4 fs3 fc0 sc0 ls5">z</div><div class="t m1 xa6 h18 y247 ff4 fs3 fc0 sc0 ls5">y</div><div class="t m1 xa6 h18 y24c ff4 fs3 fc0 sc0 ls5">x</div><div class="t m1 xc9 h2 y247 ff1 fs0 fc0 sc0 ls5 ws8"> é verdadei<span class="blank _0"></span>ra <span class="blank _1"> </span>se x, y<span class="blank _0"></span> e z<span class="blank _1"> </span> </div><div class="t m1 x1 h2 y24e ff1 fs0 fc0 sc0 ls5 ws8">são tais que x + <span class="blank _1"> </span>y<span class="blank _2"></span> + z <span class="blank _1"> </span>é i<span class="blank _2"></span>gu<span class="blank _1"> </span>a<span class="blank _1"> </span>l<span class="blank _2"></span> a:<span class="blank _1"> </span> </div><div class="t m1 x1 h2 ydb ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x1 h12 y24f ff1 fs0 fc0 sc0 ls5 ws8">a) <span class="ff6 ls4">\u2013</span>3 <span class="blank _1"> </span>b<span class="blank _0"></span>) <span class="ff6 ls4">\u2013</span>1 c) 0 <span class="blank _1"> </span>d<span class="blank _0"></span>) 1 e) 3 </div><div class="t m1 x1 h2 y250 ff1 fs0 fc0 sc0 ls5 ws8"> </div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf9" class="pf w0 h0" data-page-no="9"><div class="pc pc9 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x9d y251 wb h59" alt="" src="https://files.passeidireto.com/149d3ac4-622c-4313-8c0e-1d7a32309792/bg9.png"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls5 ws8">9 </div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 ye7 ff1 fs0 fc0 sc0 ls5 ws8">Q11. <span class="blank _2a"> </span>(UFSC) <span class="blank _10"> </span>Se<span class="blank _1"> </span>jam </div><div class="c x77 y252 w4 h2c"><div class="t me x4 h5a y6a ff3 fs1a fc0 sc0 ls5">[</div></div><div class="c x34 y252 w4 h2c"><div class="t me x4 h5a y6a ff3 fs1a fc0 sc0 ls5">]</div></div><div class="t m1 x24 h5b y253 ff1 fs1b fc0 sc0 ls5 ws42">3<span class="blank _80"></span>4<span class="blank"> </span><span class="ff4">x</span></div><div class="t m1 x25 h5c y254 ff4 fs1b fc0 sc0 ls5 ws43">ij</div><div class="t m1 x5 h5d y255 ff4 fs1c fc0 sc0 ls5 ws44">a<span class="blank _16"></span>A<span class="blank"> </span><span class="ff3 ls63">=</span><span class="ff1 fs0 ws8 v0"> <span class="blank _2a"> </span>e </span></div><div class="c x8b y252 w7 h2c"><div class="t mf x4 h5a y6a ff3 fs1a fc0 sc0 ls5">[</div></div><div class="c x95 y252 w7 h2c"><div class="t mf x4 h5a y6a ff3 fs1a fc0 sc0 ls5">]</div></div><div class="t m1 x68 h5b y253 ff1 fs1b fc0 sc0 ls5 ws45">4<span class="blank _80"></span>3<span class="blank"> </span><span class="ff4">x</span></div><div class="t m1 x5a h5c y254 ff4 fs1b fc0 sc0 ls5 ws43">ij</div><div class="t m1 x1f h5d y255 ff4 fs1c fc0 sc0 ls5 ws46">b<span class="blank _16"></span>B<span class="blank"> </span><span class="ff3 ls64">=</span><span class="ff1 fs0 ws8 v0"> <span class="blank _10"> </span>duas<span class="blank _1"> </span> <span class="blank _2a"> </span>matrizes <span class="blank _10"> </span>d<span class="blank _1"> </span>efi<span class="blank _0"></span>n<span class="blank _1"> </span>i<span class="blank _0"></span>das <span class="blank _2a"> </span>p<span class="blank _1"> </span>or<span class="blank _1"> </span> <span class="blank _10"> </span>a<span class="fs7 ws7 v3">ij</span> <span class="blank _10"> </span>= <span class="blank _38"> </span>i <span class="blank _10"> </span>+<span class="blank _1"> </span> <span class="blank _2a"> </span>j <span class="blank _10"> </span> <span class="blank _38"> </span>e <span class="blank _1"> </span> </span></div><div class="t m1 x1 h2 y183 ff1 fs0 fc0 sc0 ls5">b</div><div class="t m1 xca h2d y256 ff1 fs7 fc0 sc0 ls5 wsc">ij<span class="fs0 ws8 v5"> <span class="blank _1"> </span>= 2<span class="blank _1"> </span>i<span class="blank _2"></span> + <span class="blank _1"> </span>j<span class="blank _0"></span>, r<span class="blank _1"> </span>espectiv<span class="blank _2"></span>a<span class="blank _1"> </span>mente. Se <span class="blank _1"> </span>A<span class="blank _0"></span>.B = <span class="blank _1"> </span>C,<span class="blank _0"></span> então qual<span class="blank _0"></span> é o<span class="blank _1"> </span> el<span class="blank _0"></span>emento <span class="blank _1"> </span>c<span class="fs7 wse v3">32</span></span></div><div class="t m1 x53 h2 y183 ff1 fs0 fc0 sc0 ls5 ws8"> da m<span class="blank _0"></span>atr<span class="blank _1"> </span>iz C? </div><div class="t m1 x1 h2 y46 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x1 h5 y257 ff1 fs0 fc0 sc0 ls5 ws8">Q12. <span class="blank _1"> </span>(UFC-CE) <span class="blank _1"> </span>O <span class="blank _10"> </span>val<span class="blank _2"></span>o<span class="blank _1"> </span>r <span class="blank _1"> </span>de <span class="blank _1"> </span><span class="ff2 ls65">a</span> <span class="blank _1"> </span>par<span class="blank _1"> </span>a que<span class="blank _1"> </span> <span class="blank _1"> </span>a <span class="blank _10"> </span>igualdade <span class="blank _1"> </span>matr<span class="blank _1"> </span>i<span class="blank _2"></span>c<span class="blank _1"> </span>ial <span class="blank _94"> </span><span class="ff3 vb">ú</span></div><div class="t m1 xcb h25 y258 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m1 xcb h25 y259 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m1 xcc h25 y25a ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m1 xcc h25 y258 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m1 xcc h25 y259 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m1 xcd h25 y1d4 ff3 fs0 fc0 sc0 ls5">=</div><div class="t m1 xc5 h25 y25a ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m1 xc5 h25 y258 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m1 xc5 h25 y259 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m1 x53 h25 y25a ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m1 x53 h25 y258 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m1 x53 h25 y259 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m1 xc0 h25 y25b ff3 fs0 fc0 sc0 ls5">-</div><div class="t m1 x93 h25 y25c ff3 fs0 fc0 sc0 ls5">-</div><div class="t m1 xaf h25 y25a ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m1 xaf h25 y258 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m1 xaf h25 y259 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m1 xc2 h25 y25a ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m1 xc2 h25 y258 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m1 xc2 h25 y259 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m1 xa0 h2 y25b ff1 fs0 fc0 sc0 ls5 ws6">1<span class="blank _3f"></span>0</div><div class="t m1 xa0 h2 y25c ff1 fs0 fc0 sc0 ls5 ws6">0<span class="blank _3f"></span>1</div><div class="t m1 xa7 h2 y25b ff1 fs0 fc0 sc0 ls5">1</div><div class="t m1 xce h2 y25c ff1 fs0 fc0 sc0 ls5 ws6">1<span class="blank _95"></span>1</div><div class="t m1 x47 h2 y25b ff1 fs0 fc0 sc0 ls5 ws6">1<span class="blank _52"></span>1</div><div class="t m1 x47 h2 y25c ff1 fs0 fc0 sc0 ls5 ws6">1<span class="blank _52"></span>2</div><div class="t m1 x6f h5e y25b ff4 fs0 fc0 sc0 ls66">a<span class="ff1 ls5 ws8 v18"> </span></div><div class="t m1 x1 h2 y125 ff1 fs0 fc0 sc0 ls5 ws8">seja v<span class="blank _0"></span>erdadeira é:<span class="blank _1"> </span> </div><div class="t m1 x1 h2 y126 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x1 h12 y25d ff1 fs0 fc0 sc0 ls5 ws8">a) 1 <span class="blank _96"> </span> <span class="blank _3"> </span>b) 2 <span class="blank _60"> </span> <span class="blank _97"> </span>c) 0 <span class="blank _96"> </span> <span class="blank _3"> </span>d)<span class="blank _1"> </span> <span class="ff6 ls4">\u2013</span>2 <span class="blank _71"> </span> <span class="blank _3"> </span>e) <span class="blank _1"> </span><span class="ff6 ls4">\u2013</span>1 </div><div class="t m1 x1 h2 y18b ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x1 h2 y25e ff1 fs0 fc0 sc0 ls5 ws8">Q13. (<span class="blank _1"> </span>UFR<span class="blank _0"></span>S) <span class="blank _1"> </span>A<span class="blank _0"></span> <span class="blank _1"> </span>m<span class="blank _2"></span>at<span class="blank _1"> </span>r<span class="blank _1"> </span>i<span class="blank _2"></span>z <span class="blank _1"> </span>C fornece, em rea<span class="blank _1"> </span>is<span class="blank _0"></span>, o<span class="blank _1"> </span> custo das por<span class="blank _1"> </span>ç<span class="blank _0"></span>ões de ar<span class="blank _1"> </span>roz<span class="blank _0"></span>, <span class="blank _1"> </span>carn<span class="blank _0"></span>e e salada<span class="blank _1"> </span> </div><div class="t m1 x1 h2 y25f ff1 fs0 fc0 sc0 ls5 ws8">usadas<span class="blank _0"></span> e<span class="blank _1"> </span>m<span class="blank _2"></span> u<span class="blank _1"> </span>m restaur<span class="blank _1"> </span>an<span class="blank _0"></span>te: </div><div class="t m1 x8a h18 y260 ff4 fs3 fc0 sc0 ls5 ws0">salada</div><div class="t m1 x68 h18 y1e5 ff4 fs3 fc0 sc0 ls5 ws0">carne</div><div class="t m1 x68 h18 y261 ff4 fs3 fc0 sc0 ls5 ws0">arr<span class="blank _0"></span>oz</div><div class="t m1 xab h18 y1e5 ff4 fs3 fc0 sc0 ls5">C</div><div class="t m1 x95 h8 y262 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x95 h8 y230 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x95 h8 y1e4 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x95 h8 y263 ff3 fs3 fc0 sc0 ls5">û</div><div class="t m1 x95 h8 y1e3 ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m1 x58 h8 y262 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x58 h8 y230 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x58 h8 y1e4 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x58 h8 y263 ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m1 x58 h8 y1e3 ff3 fs3 fc0 sc0 ls5">é</div><div class="t m1 xcf h8 y1e5 ff3 fs3 fc0 sc0 ls5">=</div><div class="t m1 x5a h9 y260 ff1 fs3 fc0 sc0 ls5">2</div><div class="t m1 x5a h9 y1e5 ff1 fs3 fc0 sc0 ls5">3</div><div class="t m1 x5a h9 y261 ff1 fs3 fc0 sc0 ls5">1</div><div class="t m1 x49 h2 y1e5 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x2 h2 y264 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x1 h2 y265 ff1 fs0 fc0 sc0 ls5 ws8">A<span class="blank _0"></span> <span class="blank _10"> </span>matr<span class="blank _1"> </span>i<span class="blank _2"></span>z <span class="blank _1"> </span>P <span class="blank _10"> </span>fornece <span class="blank _1"> </span>o <span class="blank _1"> </span>número<span class="blank _1"> </span> <span class="blank _1"> </span>de <span class="blank _1"> </span>por<span class="blank _1"> </span>ç<span class="blank _0"></span>ões <span class="blank _1"> </span>de <span class="blank _1"> </span>arro<span class="blank _1"> </span>z, <span class="blank _1"> </span>carn<span class="blank _0"></span>e <span class="blank _1"> </span>e <span class="blank _1"> </span>s<span class="blank _1"> </span>alada us<span class="blank _1"> </span>adas <span class="blank _1"> </span>na <span class="blank _1"> </span>co<span class="blank _1"> </span>m<span class="blank _0"></span>pos<span class="blank _1"> </span>i<span class="blank _2"></span>ç<span class="blank _1"> </span>ão </div><div class="t m1 x1 h2 yae ff1 fs0 fc0 sc0 ls5 ws8">dos <span class="blank _1"> </span>pra<span class="blank _0"></span>to<span class="blank _1"> </span>s <span class="blank _0"></span>t<span class="blank _1"> </span>i<span class="blank _2"></span>po<span class="blank _1"> </span> P</div><div class="t m1 x2e h2d y266 ff1 fs7 fc0 sc0 ls21">1<span class="fs0 ls5 ws8 v5">, P<span class="fs7 v3">2</span></span></div><div class="t m1 x4b h2 yae ff1 fs0 fc0 sc0 ls5 ws8"> e P</div><div class="t m1 x96 h2d y266 ff1 fs7 fc0 sc0 ls21">3<span class="fs0 ls5 ws8 v5"> desse restaurante: </span></div><div class="t m1 x2 h2 y267 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x20 h27 y268 ff1 fs10 fc0 sc0 ls5">3</div><div class="t m1 x20 h27 yb8 ff1 fs10 fc0 sc0 ls5">2</div><div class="t m1 x20 h27 y269 ff1 fs10 fc0 sc0 ls5">1</div><div class="t m1 xb9 h2 y23b ff1 fs0 fc0 sc0 ls5 ws6">0<span class="blank _46"></span>2<span class="blank _95"></span>2</div><div class="t m1 xb9 h2 y26a ff1 fs0 fc0 sc0 ls5 ws6">1<span class="blank _46"></span>2<span class="blank _23"></span>1</div><div class="t m1 xb9 h2 y26b ff1 fs0 fc0 sc0 ls5 ws6">1<span class="blank _98"></span>1<span class="blank _95"></span>2</div><div class="t m1 xc h28 y23b ff4 fs0 fc0 sc0 ls5 ws6">P<span class="blank _8d"></span>prato</div><div class="t m1 xc h28 y26a ff4 fs0 fc0 sc0 ls5 ws6">P<span class="blank _8d"></span>prato</div><div class="t m1 xc h28 y26b ff4 fs0 fc0 sc0 ls5 ws6">P<span class="blank _8d"></span>prato</div><div class="t m1 x83 h28 y26a ff4 fs0 fc0 sc0 ls5">P</div><div class="c x36 y26c wc h39"><div class="t m1 x4 h28 y26d ff4 fs0 fc0 sc0 ls5 ws6">salada</div></div><div class="c xcf y26c wd h39"><div class="t m1 x4 h28 y26d ff4 fs0 fc0 sc0 ls5 ws6">carne</div></div><div class="c x74 y26c we h39"><div class="t m1 x4 h28 y26d ff4 fs0 fc0 sc0 ls5 ws6">arroz</div></div><div class="t m1 x1d h25 y26e ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m1 x1d h25 y26f ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m1 x1d h25 y270 ff3 fs0 fc0 sc0 ls5">ú</div><div class="t m1 x1d h25 y271 ff3 fs0 fc0 sc0 ls5">û</div><div class="t m1 x1d h25 y272 ff3 fs0 fc0 sc0 ls5">ù</div><div class="t m1 x74 h25 y26e ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m1 x74 h25 y26f ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m1 x74 h25 y270 ff3 fs0 fc0 sc0 ls5">ê</div><div class="t m1 x74 h25 y271 ff3 fs0 fc0 sc0 ls5">ë</div><div class="t m1 x74 h25 y272 ff3 fs0 fc0 sc0 ls5">é</div><div class="t m1 xd0 h5f y26a ff3 fs0 fc0 sc0 ls67">=<span class="ff1 ls5 ws8 v19"> </span></div><div class="t m1 x1 h2 y273 ff1 fs0 fc0 sc0 ls5 ws8">A<span class="blank _0"></span> <span class="blank _1"> </span>matri<span class="blank _0"></span>z que <span class="blank _1"> </span>f<span class="blank _2"></span>o<span class="blank _1"> </span>rnece o <span class="blank _1"> </span>custo de produção, em<span class="blank _2"></span> <span class="blank _1"> </span>reais, <span class="blank _1"> </span>dos pratos P<span class="fs7 v3">1</span></div><div class="t m1 x3b h2 y273 ff1 fs0 fc0 sc0 ls5 ws8">, P<span class="fs7 v3">2</span></div><div class="t m1 x9e h2 y273 ff1 fs0 fc0 sc0 ls5 ws8"> e P<span class="fs7 v3">3</span></div><div class="t m1 xd1 h2 y273 ff1 fs0 fc0 sc0 ls5 ws8"> é: </div><div class="t m1 x1 h2 y75 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x1 h2 y274 ff1 fs0 fc0 sc0 ls5 ws8">a) </div><div class="t m1 xba h8 y275 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 xba h8 y276 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 xba h8 y277 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 xba h8 y278 ff3 fs3 fc0 sc0 ls5">û</div><div class="t m1 xba h8 y279 ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m1 xd2 h8 y275 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 xd2 h8 y276 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 xd2 h8 y277 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 xd2 h8 y278 ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m1 xd2 h8 y279 ff3 fs3 fc0 sc0 ls5">é</div><div class="t m1 x90 h9 yce ff1 fs3 fc0 sc0 ls5">8</div><div class="t m1 x90 h9 y274 ff1 fs3 fc0 sc0 ls5">9</div><div class="t m1 x90 h9 y27a ff1 fs3 fc0 sc0 ls5">7</div><div class="t m1 xbd h2 y274 ff1 fs0 fc0 sc0 ls5 ws8"> b) </div><div class="t m1 x26 h8 y275 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x26 h8 y276 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x26 h8 y277 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x26 h8 y278 ff3 fs3 fc0 sc0 ls5">û</div><div class="t m1 x26 h8 y279 ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m1 x65 h8 y275 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x65 h8 y276 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x65 h8 y277 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x65 h8 y278 ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m1 x65 h8 y279 ff3 fs3 fc0 sc0 ls5">é</div><div class="t m1 xbb h9 yce ff1 fs3 fc0 sc0 ls5">4</div><div class="t m1 xbb h9 y274 ff1 fs3 fc0 sc0 ls5">4</div><div class="t m1 xbb h9 y27a ff1 fs3 fc0 sc0 ls5">4</div><div class="t m1 x4b h2 y274 ff1 fs0 fc0 sc0 ls5 ws8"> c)<span class="blank _1"> </span> </div><div class="t m1 x10 h8 y275 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x10 h8 y276 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x10 h8 y277 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x10 h8 y278 ff3 fs3 fc0 sc0 ls5">û</div><div class="t m1 x10 h8 y279 ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m1 x6 h8 y275 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x6 h8 y276 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x6 h8 y277 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x6 h8 y278 ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m1 x6 h8 y279 ff3 fs3 fc0 sc0 ls5">é</div><div class="t m1 xd3 h9 yce ff1 fs3 fc0 sc0 ls5">4</div><div class="t m1 x31 h9 y274 ff1 fs3 fc0 sc0 ls5">11</div><div class="t m1 xd3 h9 y27a ff1 fs3 fc0 sc0 ls5">9</div><div class="t m1 x91 h2 y274 ff1 fs0 fc0 sc0 ls5 ws8"> d) </div><div class="t m1 x6b h8 y275 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x6b h8 y276 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x6b h8 y277 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x6b h8 y278 ff3 fs3 fc0 sc0 ls5">û</div><div class="t m1 x6b h8 y279 ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m1 x92 h8 y275 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x92 h8 y276 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x92 h8 y277 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 x92 h8 y278 ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m1 x92 h8 y279 ff3 fs3 fc0 sc0 ls5">é</div><div class="t m1 x12 h9 yce ff1 fs3 fc0 sc0 ls5">8</div><div class="t m1 x12 h9 y274 ff1 fs3 fc0 sc0 ls5">6</div><div class="t m1 x12 h9 y27a ff1 fs3 fc0 sc0 ls5">2</div><div class="t m1 x3d h2 y274 ff1 fs0 fc0 sc0 ls5 ws8"> e) </div><div class="t m1 x3a h8 y275 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x3a h8 y276 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x3a h8 y277 ff3 fs3 fc0 sc0 ls5">ú</div><div class="t m1 x3a h8 y278 ff3 fs3 fc0 sc0 ls5">û</div><div class="t m1 x3a h8 y279 ff3 fs3 fc0 sc0 ls5">ù</div><div class="t m1 xc h8 y275 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 xc h8 y276 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 xc h8 y277 ff3 fs3 fc0 sc0 ls5">ê</div><div class="t m1 xc h8 y278 ff3 fs3 fc0 sc0 ls5">ë</div><div class="t m1 xc h8 y279 ff3 fs3 fc0 sc0 ls5">é</div><div class="t m1 x20 h9 yce ff1 fs3 fc0 sc0 ls5">4</div><div class="t m1 x20 h9 y274 ff1 fs3 fc0 sc0 ls5">2</div><div class="t m1 x20 h9 y27a ff1 fs3 fc0 sc0 ls5">2</div><div class="t m1 x4d h2 y274 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x90 h2 y27b ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x1 h2 y27c ff1 fs0 fc0 sc0 ls5 ws8">Q14. <span class="blank _37"> </span>(UFAM) <span class="blank _37"> </span> <span class="blank _37"> </span>Sejam<span class="blank _0"></span> <span class="blank _5c"> </span>A, <span class="blank _f"> </span>B <span class="blank _37"> </span>e <span class="blank _5c"> </span>C <span class="blank _37"> </span>matr<span class="blank _1"> </span>izes<span class="blank _2"></span> <span class="blank _37"> </span>quadr<span class="blank _1"> </span>adas <span class="blank _37"> </span>quaisquer <span class="blank _37"> </span>de <span class="blank _37"> </span>o<span class="blank _1"> </span>rdem<span class="blank _2"></span> <span class="blank _5c"> </span>n. <span class="blank _37"> </span>Então<span class="blank _1"> </span> <span class="blank _37"> </span>é </div><div class="t m1 x1 h2 y27d ff1 fs0 fc0 sc0 ls5 ws8">correto afi<span class="blank _2"></span>r<span class="blank _1"> </span>mar que:<span class="blank _1"> </span> </div><div class="t m1 x1 h2 y27e ff1 fs0 fc0 sc0 ls1b ws8"> <span class="ls5 ws6 v4">a)</span><span class="ff8 ls23 v4"> </span><span class="ls5 v4">Se AB = AC, então B = <span class="blank _1"> </span>C. </span></div><div class="t m1 x90 h2 y27f ff1 fs0 fc0 sc0 ls5 ws40">b)<span class="ff8 ls1a ws8"> </span><span class="ws8">AB<span class="blank _0"></span> = B<span class="blank _1"> </span>A </span></div><div class="t m1 x90 h2 y280 ff1 fs0 fc0 sc0 ls5 ws6">c)<span class="ff8 ls23 ws8"> </span><span class="ws8">Se A</span></div><div class="t m1 x7e h33 y10c ff1 fs7 fc0 sc0 ls21">2<span class="fs0 ls5 ws8 v8"> = 0<span class="fs7 v3">n</span></span></div><div class="t m1 xc6 h2 y280 ff1 fs0 fc0 sc0 ls5 ws8"> (matr<span class="blank _1"> </span>i<span class="blank _2"></span>z nula), então<span class="blank _1"> </span> A = 0<span class="fs7 v3">n</span></div><div class="t m1 x68 h2 y280 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x90 h2 y281 ff1 fs0 fc0 sc0 ls5 ws6">d)<span class="ff8 ls1a ws8"> </span><span class="ws8">(AB)C = A(BC) </span></div><div class="t m1 x90 h34 y1be ff1 fs0 fc0 sc0 ls5 ws6">e)<span class="ff8 ls23 ws8"> </span>(A+B<span class="blank _0"></span>)<span class="fs7 ls21 vf">2</span><span class="ws8"> = <span class="blank _1"> </span>A</span></div><div class="t m1 x64 h33 y282 ff1 fs7 fc0 sc0 ls21">2<span class="fs0 ls5 ws8 v8"> + 2AB+B</span>2<span class="fs0 ls5 ws8 v8"> </span></div><div class="t m1 x1 h2 y283 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m1 x1 h60 y171 ff1 fs0 fc0 sc0 ls5 ws8">Q15. <span class="blank _38"> </span>(UFRRJ)Dada <span class="blank _2a"> </span>a <span class="blank _85"> </span>m<span class="blank _2"></span>at<span class="blank _1"> </span>r<span class="blank _1"> </span>i<span class="blank _2"></span>z <span class="blank _85"> </span>A<span class="blank _0"></span> <span class="blank _38"> </span>= <span class="blank _38"> </span><span class="ffc ls68 v0">\ue601<span class="ls5 ws47 v1a">1<span class="blank"> </span>2</span></span></div><div class="t m1 x91 h58 y284 ffe fs0 fc0 sc0 ls69">\u2212<span class="ffc ls5 ws48">1<span class="blank"> </span>0<span class="v17">\ue601</span></span></div><div class="t m1 x2 h61 y171 ff1 fs0 fc0 sc0 ls5 ws8">, <span class="blank _38"> </span>denotam<span class="blank _0"></span>os <span class="blank _85"> </span>por <span class="blank _38"> </span><span class="ff2 ws6">A<span class="fs7 ws7 vf">-1</span></span></div><div class="t m1 x4c h5 y171 ff1 fs0 fc0 sc0 ls5 ws8"> <span class="blank _38"> </span>a <span class="blank _2a"> </span>matr<span class="blank _1"> </span>i<span class="blank _2"></span>z <span class="blank _85"> </span>inversa <span class="blank _38"> </span>de <span class="blank _38"> </span><span class="ff2 ws6">A</span>. </div><div class="t m1 x1 h34 y285 ff1 fs0 fc0 sc0 ls5 ws8">Então A + A<span class="fs7 vf">-1 </span>é <span class="blank _1"> </span>i<span class="blank _2"></span>gua<span class="blank _1"> </span>l<span class="blank _0"></span> a:<span class="blank _1"> </span> </div><div class="t m1 x2b h56 y286 ff1 fs0 fc0 sc0 ls5 ws6">a)<span class="ff8 ls6a ws8"> </span><span class="ffc v0">\ue601</span></div><div class="t m1 x63 h57 y287 ffc fs0 fc0 sc0 ls5 ws48">2<span class="blank"> </span>3</div><div class="t m1 x63 h58 y288 ffc fs0 fc0 sc0 ls5 ws48">1<span class="blank"> </span>0<span class="v17">\ue601</span></div><div class="t m1 x52 h56 y286 ff1 fs0 fc0 sc0 ls5 ws8"> <span class="blank _99"> </span> b) <span class="ffc v0">\ue601</span></div><div class="t m1 xc1 h57 y287 ffc fs0 fc0 sc0 ls6b">1<span class="ffe ls69">\u2212</span><span class="ls5">1</span></div><div class="t m1 xc1 h58 y288 ffc fs0 fc0 sc0 ls5 ws49">2<span class="blank _9a"> </span>0<span class="blank"> </span><span class="v17">\ue601</span></div><div class="t m1 x2c h62 y286 ff1 fs0 fc0 sc0 ls5 ws8"> <span class="blank _9b"> </span> <span class="blank _3"> </span>c)<span class="ffc ls6c">\ue609<span class="ls6d v0">\ue601<span class="ls5 ws4a v1b">1<span class="blank"> </span>1</span></span></span></div><div class="t m1 x5e h57 y11b ffe fs0 fc0 sc0 ls6e">\u2212<span class="ffc fs1d ls5 v1c">\ue601</span></div><div class="t m1 x14 h63 y289 ffc fs1d fc0 sc0 ls6f">\ue601<span class="ls5 v1d">\ue601</span></div><div class="t m1 x57 h64 y289 ffc fs1d fc0 sc0 ls70">\ue601<span class="fs0 ls5 v1e">\ue601</span></div><div class="t m1 x50 h2 y286 ff1 fs0 fc0 sc0 ls5 ws8"> <span class="blank _9c"> </span> </div><div class="t m1 x2b h56 y28a ff1 fs0 fc0 sc0 ls5 ws8">d) <span class="ffc ls6c">\ue609\ue609<span class="ls5 v0">\ue601</span></span></div><div class="t m1 x80 h57 y28b ffc fs0 fc0 sc0 ls6b">0<span class="ffe ls71">\u2212</span><span class="ls5">1</span></div><div class="t m1 x9d h65 y28c ffc fs1d fc0 sc0 ls5">\ue601</div><div class="t m1 x9d h63 y28d ffc fs1d fc0 sc0 ls72">\ue601<span class="ls5 v1d">\ue601</span></div><div class="t m1 x63 h64 y28d ffc fs1d fc0 sc0 ls73">\ue601<span class="fs0 ls5 v1e">\ue601</span></div><div class="t m1 x2d h60 y28a ff1 fs0 fc0 sc0 ls5 ws8"> <span class="blank _1"> </span>e<span class="blank _0"></span>) <span class="ffc ls68 v0">\ue601<span class="ls5 ws4a v1a">2<span class="blank"> </span>4</span></span></div><div class="t m1 xaa h58 y177 ffe fs0 fc0 sc0 ls69">\u2212<span class="ffc ls5 ws48">2<span class="blank"> </span>0<span class="v17">\ue601</span></span></div><div class="t m1 x95 h2 y28a ff1 fs0 fc0 sc0 ls5 ws8"> </div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pfa" class="pf w0 h0" data-page-no="a"><div class="pc pca w0 h0"><img fetchpriority="low" loading="lazy" class="bi xa9 y28e wf h66" alt="" src="https://files.passeidireto.com/149d3ac4-622c-4313-8c0e-1d7a32309792/bga.png"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls5 ws8">10 </div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y88 ff1 fs0 fc0 sc0 ls5 ws8">Q16. <span class="blank _2a"> </span>(UFRR<span class="blank _0"></span>J) <span class="blank _10"> </span>U<span class="blank _1"> </span>m<span class="blank _0"></span>a <span class="blank _2a"> </span>fábrica <span class="blank _10"> </span>de <span class="blank _2a"> </span>guarda-ro<span class="blank _1"> </span>upas <span class="blank _10"> </span>utiliza <span class="blank _1"> </span>t<span class="blank _1"> </span>rês <span class="blank _10"> </span>t<span class="blank _1"> </span>i<span class="blank _0"></span>pos <span class="blank _2a"> </span>de <span class="blank _2a"> </span>f<span class="blank _2"></span>e<span class="blank _1"> </span>chaduras <span class="blank _10"> </span>(do<span class="blank _1"> </span>urada, </div><div class="t m0 x1 h2 y89 ff1 fs0 fc0 sc0 ls5 ws8">prat<span class="blank _1"> </span>eada <span class="blank _85"> </span>e <span class="blank _f"> </span>bro<span class="blank _1"> </span>n<span class="blank _0"></span>zeada) <span class="blank _85"> </span>par<span class="blank _1"> </span>a <span class="blank _85"> </span>guar<span class="blank _1"> </span>da-ro<span class="blank _1"> </span>upas <span class="blank _85"> </span>em<span class="blank _0"></span> <span class="blank _37"> </span>mogno <span class="blank _37"> </span>e <span class="blank _f"> </span>cerej<span class="blank _2"></span>e<span class="blank _1"> </span>ira, <span class="blank _37"> </span>n<span class="blank _0"></span>os <span class="blank _37"> </span>m<span class="blank _0"></span>ode<span class="blank _1"> </span>l<span class="blank _2"></span>o<span class="blank _1"> </span> <span class="blank _f"> </span>bás<span class="blank _1"> </span>ico, </div><div class="t m0 x1 h2 y8a ff1 fs0 fc0 sc0 ls5 ws8">luxo <span class="blank _2a"> </span>e <span class="blank _10"> </span>requ<span class="blank _1"> </span>in<span class="blank _2"></span>t<span class="blank _1"> </span>e. <span class="blank _38"> </span>A <span class="blank _10"> </span>t<span class="blank _1"> </span>ab<span class="blank _0"></span>ela <span class="blank _2a"> </span>1 <span class="blank _38"> </span>m<span class="blank _2"></span>o<span class="blank _10"> </span>str<span class="blank _1"> </span>a <span class="blank _10"> </span>a <span class="blank _2a"> </span>pro<span class="blank _1"> </span>duçã<span class="blank _0"></span>o <span class="blank _2a"> </span>de <span class="blank _2a"> </span>m<span class="blank _2"></span>ó<span class="blank _10"> </span>vei<span class="blank _0"></span>s <span class="blank _2a"> </span>dura<span class="blank _1"> </span>nte <span class="blank _10"> </span>o<span class="blank _1"> </span> <span class="blank _2a"> </span>mês<span class="blank _0"></span> <span class="blank _10"> </span>d<span class="blank _1"> </span>e <span class="blank _2a"> </span>o<span class="blank _1"> </span>utubro<span class="blank _1"> </span> <span class="blank _10"> </span>de </div><div class="t m0 x1 h2 y122 ff1 fs0 fc0 sc0 ls5 ws8">2005, <span class="blank _85"> </span>e <span class="blank _f"> </span>a<span class="blank _0"></span> <span class="blank _38"> </span>t<span class="blank _1"> </span>abela <span class="blank _38"> </span>2, <span class="blank _f"> </span>a <span class="blank _85"> </span>quanti<span class="blank _2"></span>dade <span class="blank _85"> </span>de <span class="blank _37"> </span>f<span class="blank _2"></span>e<span class="blank _1"> </span>chaduras <span class="blank _38"> </span>u<span class="blank _1"> </span>t<span class="blank _1"> </span>ili<span class="blank _0"></span>zadas <span class="blank _85"> </span>em <span class="blank _38"> </span>cada <span class="blank _85"> </span>t<span class="blank _10"> </span>i<span class="blank _2"></span>po<span class="blank _1"> </span> <span class="blank _85"> </span>de <span class="blank _85"> </span>armári<span class="blank _2"></span>o<span class="blank _1"> </span> <span class="blank _85"> </span>no </div><div class="t m0 x1 h2 y28f ff1 fs0 fc0 sc0 ls5 ws8">mesm<span class="blank _0"></span>o <span class="blank _1"> </span>mês<span class="blank _2"></span>.<span class="blank _1"> </span> </div><div class="t m0 x1 h2 y227 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y290 ff1 fs0 fc0 sc0 ls5 ws8">Tabela1: Pro<span class="blank _1"> </span>duçã<span class="blank _2"></span>o<span class="blank _1"> </span> de arm<span class="blank _0"></span>ários em out<span class="blank _1"> </span>ubro de 2005.<span class="blank _0"></span> </div><div class="t m0 x1 h2 y49 ff1 fs0 fc0 sc0 ls74 ws8"> <span class="ls5 vc">Mode<span class="blank _1"> </span>l<span class="blank _2"></span>o<span class="blank _1"> </span> </span></div><div class="t m0 x8c h2 y291 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x63 h67 y292 ff1 fs0 fc0 sc0 ls5 ws8">Madei<span class="blank _2"></span>r<span class="blank _1"> </span>a<span class="blank _1"> </span> <span class="blank _9d"> </span><span class="v2">Básico <span class="blank _9e"> </span>Luxo <span class="blank _9f"> </span><span class="v2"> </span></span></div><div class="t m0 x43 h2 y291 ff1 fs0 fc0 sc0 ls5 ws8">Requin<span class="blank _0"></span>te </div><div class="t m0 x48 h2 y292 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x4b h2 y25f ff1 fs0 fc0 sc0 ls5 ws8">Mogno <span class="blank _a0"> </span>3 <span class="blank _62"> </span>5 <span class="blank _a1"> </span>4 </div><div class="t m0 xb4 h2 y293 ff1 fs0 fc0 sc0 ls5 ws8">Cerej<span class="blank _0"></span>eira <span class="blank _a2"> </span>4 <span class="blank _62"> </span>3 <span class="blank _a1"> </span>5 </div><div class="t m0 x1 h2 y1e4 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y294 ff1 fs0 fc0 sc0 ls5 ws8">Tabela 2: Fech<span class="blank _0"></span>adura<span class="blank _1"> </span>s usadas<span class="blank _2"></span> <span class="blank _1"> </span>em out<span class="blank _1"> </span>ubro de 2005 </div><div class="t m0 x1 h2 y295 ff1 fs0 fc0 sc0 ls75 ws8"> <span class="ls5 ws4b vc">Madei<span class="blank _2"></span>r<span class="blank"> </span>a</span></div><div class="c xab y296 w10 h68"><div class="t m0 x4 h2 y26d ff1 fs0 fc0 sc0 ls5 ws8"> </div></div><div class="c xab y1ea w10 h68"><div class="t m0 x4 h2 y26d ff1 fs0 fc0 sc0 ls5 ws8"> </div></div><div class="t m0 x63 h7 y297 ff1 fs0 fc0 sc0 ls5 ws8">Ti<span class="blank _0"></span>po <span class="blank _a3"> </span><span class="v2">Mogno <span class="blank _a4"> </span>Cerej<span class="blank _0"></span>eira </span></div><div class="t m0 x8d h2 y298 ff1 fs0 fc0 sc0 ls5 ws8">Dour<span class="blank _1"> </span>ada<span class="blank _2"></span> <span class="blank _a5"> </span>10 <span class="blank _a6"> </span>12 </div><div class="t m0 x8d h2 y299 ff1 fs0 fc0 sc0 ls5 ws8">Prat<span class="blank _1"> </span>eada<span class="blank _2"></span> <span class="blank _a7"> </span>8 <span class="blank _a8"> </span>8 </div><div class="t m0 xb8 h2 y29a ff1 fs0 fc0 sc0 ls5 ws8">Bronzeada <span class="blank _a9"> </span>4 <span class="blank _a8"> </span>6 </div><div class="t m0 x1 h2 y29b ff1 fs0 fc0 sc0 ls5 ws8">A<span class="blank _0"></span> qua<span class="blank _1"> </span>nt<span class="blank _1"> </span>i<span class="blank _2"></span>dade de <span class="blank _1"> </span>f<span class="blank _0"></span>echaduras usadas nos ar<span class="blank _1"> </span>m<span class="blank _0"></span>ár<span class="blank _1"> </span>i<span class="blank _2"></span>o<span class="blank _1"> </span>s do m<span class="blank _0"></span>ode<span class="blank _1"> </span>l<span class="blank _2"></span>o<span class="blank _1"> </span> r<span class="blank _1"> </span>equin<span class="blank _0"></span>t<span class="blank _1"> </span>e nes<span class="blank _2"></span>s<span class="blank _1"> </span>e <span class="blank _1"> </span>m<span class="blank _2"></span>ê<span class="blank _1"> </span>s fo<span class="blank _1"> </span>i<span class="blank _2"></span> <span class="blank _1"> </span>de: </div><div class="t m0 xb6 h2 y29c ff1 fs0 fc0 sc0 ls5 ws6">a)<span class="ff8 ls76 ws8"> </span><span class="ws8">170 </span></div><div class="t m0 xb6 h2 y29d ff1 fs0 fc0 sc0 ls5 ws40">b)<span class="ff8 ls77 ws8"> </span><span class="ws8">192 </span></div><div class="t m0 xb6 h2 y29e ff1 fs0 fc0 sc0 ls5 ws6">c)<span class="ff8 ls76 ws8"> </span><span class="ws8">120 </span></div><div class="t m0 xb6 h2 y29f ff1 fs0 fc0 sc0 ls5 ws6">d)<span class="ff8 ls77 ws8"> </span><span class="ws8">218 </span></div><div class="t m0 xb6 h2 y2a0 ff1 fs0 fc0 sc0 ls5 ws6">e)<span class="ff8 ls76 ws8"> </span><span class="ws8">188 </span></div><div class="t m0 x1 h2 y2a1 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h56 y2a2 ff1 fs0 fc0 sc0 ls5 ws8">Q17. <span class="blank _10"> </span>(Udesc) <span class="blank _10"> </span>Consi<span class="blank _2"></span>der<span class="blank _1"> </span>e <span class="blank _1"> </span>a<span class="blank _1"> </span>s <span class="blank _10"> </span>matri<span class="blank _0"></span>zes <span class="blank _2a"> </span>A<span class="blank _0"></span>= <span class="blank _1"> </span> <span class="blank _2a"> </span><span class="ffc v0">\ue601</span></div><div class="t m0 xad h57 y2a3 ffc fs0 fc0 sc0 ls5 ws48">1<span class="blank"> </span>\ue601</div><div class="t m0 xad h58 y1a9 ffc fs0 fc0 sc0 ls5 ws4c">\ue601<span class="blank"> </span>1<span class="blank _1"></span><span class="v17">\ue601</span></div><div class="t m0 x6b h56 y2a2 ff1 fs0 fc0 sc0 ls5 ws8"> <span class="blank _10"> </span> <span class="blank _1"> </span>,<span class="blank _1"> </span> <span class="blank _1"> </span> <span class="blank _10"> </span>I <span class="blank _10"> </span>= <span class="blank _10"> </span> <span class="blank _1"> </span> <span class="blank _1"> </span><span class="ffc v0">\ue601</span></div><div class="t m0 x5b h57 y2a3 ffc fs0 fc0 sc0 ls5 ws3f">1<span class="blank"> </span>0</div><div class="t m0 x5b h58 y1a9 ffc fs0 fc0 sc0 ls5 ws3f">0<span class="blank"> </span>1<span class="v17">\ue601</span></div><div class="t m0 x4c h56 y2a2 ff1 fs0 fc0 sc0 ls5 ws8"> <span class="blank _10"> </span> <span class="blank _1"> </span>e <span class="blank _10"> </span>O= <span class="blank _10"> </span> <span class="blank _10"> </span><span class="ffc v0">\ue601</span></div><div class="t m0 xd1 h57 y2a3 ffc fs0 fc0 sc0 ls5 ws3f">0<span class="blank"> </span>0</div><div class="t m0 xd1 h58 y1a9 ffc fs0 fc0 sc0 ls5 ws3f">0<span class="blank"> </span>0<span class="v17">\ue601</span></div><div class="t m0 xd4 h2 y2a2 ff1 fs0 fc0 sc0 ls5 ws8">, <span class="blank _10"> </span>a <span class="blank _10"> </span>s<span class="blank _0"></span>oma </div><div class="t m0 x1 h12 y2a4 ff1 fs0 fc0 sc0 ls5 ws8">dos <span class="blank _1"> </span>v<span class="blank _0"></span>al<span class="blank _0"></span>or<span class="blank _1"> </span>es n<span class="blank _0"></span>umér<span class="blank _1"> </span>i<span class="blank _0"></span>cos de <span class="blank _1"> </span>x<span class="blank _0"></span>, <span class="blank _1"> </span>para os quai<span class="blank _2"></span>s a <span class="blank _1"> </span>i<span class="blank _0"></span>gualdade A² - <span class="blank _1"> </span>2 A <span class="ff6 ls4">\u2013</span> 3I=0 é verif<span class="blank _0"></span>icada é: </div><div class="t m0 x1 h2 y2a5 ff1 fs0 fc0 sc0 ls78 ws8"> <span class="ls5 ws6 v4">a)</span><span class="ff8 ls76 v4"> </span><span class="ls5 v4">x = 0 </span></div><div class="t m0 xb6 h2 ycc ff1 fs0 fc0 sc0 ls5 ws40">b)<span class="ff8 ls77 ws8"> </span><span class="ws8">x = 2 </span></div><div class="t m0 xb6 h2 y156 ff1 fs0 fc0 sc0 ls5 ws6">c)<span class="ff8 ls76 ws8"> </span><span class="ws8">x = 1 </span></div><div class="t m0 xb6 h2 y2a6 ff1 fs0 fc0 sc0 ls5 ws6">d)<span class="ff8 ls77 ws8"> </span><span class="ws8">x = -2 </span></div><div class="t m0 xb6 h2 y207 ff1 fs0 fc0 sc0 ls5 ws6">e)<span class="ff8 ls76 ws8"> </span><span class="ws8">x = -1 </span></div><div class="t m0 x1 h2 y2a7 ff1 fs0 fc0 sc0 ls5 ws8"> </div><div class="t m0 x1 h2 y2a8 ff1 fs0 fc0 sc0 ls5 ws8">Q18. <span class="blank _f"> </span>(<span class="blank _1"> </span>UEL-PR) <span class="blank _f"> </span>uma <span class="blank _85"> </span>da<span class="blank _1"> </span>s <span class="blank _f"> </span>for<span class="blank _1"> </span>m<span class="blank _2"></span>a<span class="blank _1"> </span>s <span class="blank _f"> </span>de<span class="blank _1"> </span> <span class="blank _f"> </span>se <span class="blank _f"> </span>e<span class="blank _1"> </span>nviar <span class="blank _85"> </span>u<span class="blank _1"> </span>ma <span class="blank _f"> </span>mensagem <span class="blank _37"> </span>secreta <span class="blank _f"> </span>é <span class="blank _f"> </span>po<span class="blank _1"> </span>r <span class="blank _37"> </span>m<span class="blank _0"></span>ei<span class="blank _0"></span>o <span class="blank _37"> </span>de<span class="blank _1"> </span> </div><div class="t m0 x1 h2 y2a9 ff1 fs0 fc0 sc0 ls5 ws8">códi<span class="blank _0"></span>go<span class="blank _1"> </span>s m<span class="blank _0"></span>ate<span class="blank _1"> </span>m<span class="blank _2"></span>át<span class="blank _10"> </span>i<span class="blank _2"></span>co<span class="blank _1"> </span>s, segu<span class="blank _1"> </span>in<span class="blank _2"></span>do<span class="blank _1"> </span> o<span class="blank _1"> </span>s passos:<span class="blank _0"></span> </div><div class="t m0 xb6 h5 yd6 ff1 fs0 fc0 sc0 ls5 ws6">1-<span class="ff8 ls77 ws8"> </span><span class="ws8">Tanto o<span class="blank _1"> </span> des<span class="blank _0"></span>tinatár<span class="blank _1"> </span>i<span class="blank _2"></span>o<span class="blank _1"> </span> quanto o rem<span class="blank _0"></span>etente po<span class="blank _1"> </span>ssuem<span class="blank _0"></span> uma matr<span class="blank _1"> </span>i<span class="blank _2"></span>z c<span class="blank _1"> </span>hav<span class="blank _0"></span>e <span class="ff2 ws6">C</span>. </span></div><div class="t m0 xb6 h5 yd7 ff1 fs0 fc0 sc0 ls5 ws6">2-<span class="ff8 ls77 ws8"> </span><span class="ws8">O <span class="blank _5c"> </span>destinatári<span class="blank _0"></span>o<span class="blank _1"> </span> <span class="blank _37"> </span>r<span class="blank _1"> </span>ecebe <span class="blank _37"> </span>do<span class="blank _1"> </span> <span class="blank _37"> </span>r<span class="blank _1"> </span>em<span class="blank _2"></span>etente <span class="blank _5c"> </span>u<span class="blank _1"> </span>ma <span class="blank _5c"> </span>matri<span class="blank _0"></span>z <span class="blank _5c"> </span><span class="ff2 ws6">P</span>, <span class="blank _5c"> </span>t<span class="blank _1"> </span>al<span class="blank _2"></span> <span class="blank _5c"> </span>que <span class="blank _5c"> </span>MC=P, <span class="blank _5c"> </span>o<span class="blank _1"> </span>nde <span class="blank _37"> </span><span class="ff2 ls79">M</span> <span class="blank _5c"> </span>é<span class="blank _1"> </span> </span></div><div class="t m0 xb6 h2 yd8 ff1 fs0 fc0 sc0 ls5 ws8">matr<span class="blank _1"> </span>i<span class="blank _2"></span>z <span class="blank _1"> </span>m<span class="blank _0"></span>ensagem<span class="blank _0"></span> <span class="blank _1"> </span>a ser deco<span class="blank _1"> </span>difi<span class="blank _2"></span>cada.<span class="blank _1"> </span> </div><div class="t m0 xb6 h2 y2aa ff1 fs0 fc0 sc0 ls5 ws6">3-<span class="ff8 ls77 ws8"> </span><span class="ws8">Cada <span class="blank"> </span>número <span class="blank"> </span>da <span class="blank _2f"> </span>matri<span class="blank _0"></span>z <span class="blank"> </span>M<span class="blank _1"> </span> <span class="blank"> </span>corr<span class="blank _1"> </span>esponde <span class="blank"> </span>a <span class="blank _5d"> </span>u<span class="blank _1"> </span>ma <span class="blank _2f"> </span>l<span class="blank _2"></span>et<span class="blank _1"> </span>ra <span class="blank"> </span>do <span class="blank"> </span>a<span class="blank _1"> </span>lf<span class="blank _0"></span>abeto<span class="blank _1"> </span>: <span class="blank"> </span>1=a, <span class="blank"> </span>2=b, </span></div><div class="t m0 xb6 h2 y2ab ff1 fs0 fc0 sc0 ls5 ws8">3=c,...,<span class="blank _1"> </span>23=z<span class="blank _2"></span> </div><div class="t m0 xb6 h5 y2ac ff1 fs0 fc0 sc0 ls5 ws6">4-<span class="ff8 ls77 ws8"> </span><span class="ws8">Considerem<span class="blank _0"></span>os o<span class="blank _1"> </span> <span class="blank _1"> </span>al<span class="blank _0"></span>fabeto <span class="blank _1"> </span>c<span class="blank _0"></span>om 23 letras, excl<span class="blank _0"></span>uindo as <span class="blank _1"> </span>l<span class="blank _2"></span>et<span class="blank _1"> </span>ras <span class="ff2 ws6">k</span><span class="ls9">,</span><span class="ff2">w </span>e <span class="ff2 ls7a">y</span>. </span></div><div class="t m0 xb6 h2 yde ff1 fs0 fc0 sc0 ls5 ws6">5-<span class="ff8 ls77 ws8"> </span><span class="ws8">O número <span class="blank _1"> </span>zero corresp<span class="blank _2"></span>o<span class="blank _1"> </span>nde ao <span class="blank _1"> </span>p<span class="blank _0"></span>onto de excl<span class="blank _0"></span>amaç<span class="blank _1"> </span>ão. </span></div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div>
Compartilhar