EDO 3

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33, yxyxf
22
310
,
x
yx
yxf
5 26, xyyxf
3 22, yxyxf
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22 yKxx
2
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0222 yxyxyx Kxyx 23 3
042 yyxxyx Kyxyx 22 2
022 yxyxyx
2
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0yxxyx Kxyxx ln
022 yxxyxy Kyxxy ln
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arctgyx 2ln 22
023 22 yxyxyx 12y
332 xy
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tg 12 tgxxarctgy
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4
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