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CEFET-BA – DCA – COORDENAÇÃO DE MATEMÁTICA LISTA DE EXERCÍCIOS – DERIVADAS – Professor Caribé. Determine as derivadas das seguintes funções: 1. )(.3 xseny = R: y´ = 3 cos(x) 2. ).2cos(.3).3(.2 ttseny −= R: y´=6cos(3t) + 6sen(2t) 3. )3).(2( +−= xxy R: y´= 2x + 1 4. 2.3 5.2 − + = x xy R: 2)23( 19 ´ − − = x y 5. 2 1 1 − + = x xy R: 3)1( )1(4 ´ − +− = x xy 6. 3)(log xy = R: 3 2 ))10(ln( ))(ln(3 ´ x xy = 7. xxey )(= R: xexy 2´= 8. )( xexy = R: )1)(ln(´ x xxey xex += 9. a xy 35− = R: a xy 215 ´ − = 10. nmm tbtay ++= .. R: 11 )(´ −+− ++= nmm tnmbamty 11. )cos().cos( xarcxy = R: 21 )cos()cos()(´ x x xarcxseny − −−= 12. )(.)cos( )cos(.)( xsenxx xxxseny + − = R: 2 2 ))()(cos(´ xxsenx xy + = 13. = a x senarcy R: )(2 1 ´ xax y − = 14. )ln()]([ xxseny = R: += ))(ln(cot))(ln()(´ )ln( xg x xsen xseny x 15. 22 6 . ba bxa y + + = R: 22 56 ´ ba axy + = 16. )1cosh( 2 +x R: )1cosh( )1( ´ 2 2 x xsenhxy + + = 17. )](ln[ baxtgy += R: bax baxay + + = )2sec(cos ´ 18. ))(ln(cos xarcy = R: 2))(ln(1 1 ´ xx y − − = 19. 21 ..3 t ta x + = ; 2 2 1 ..3 t ta y + = 21 2 t t dx dy − = 20. ))(ln(cot.2 sgu = ; )(cot)( sgstgv += )2( stg dv du = 21. 222222 bayaxb =+ ya xb dx dy 2 2 −= 22. 0=−+ ayx x y dx dy −= 23. ++ +− = 1 1 2 2 xx xx tgarcy R: )1)(1()1(2 )1( ´ 222 2 +−+++ − = xxxxx xy 24. 33 2 xx b x a y −= R: 3 53 7 3 2 3 4 ´ x a x by −= 25. 22 1 xa y − = R: 322 )( ´ xa xy − = 26. 11 11 −++ −−+ = xx xxy R: )11(1 11 ´ 2 −++− +−− = xxx xxy 27. − + = 2 2ln x xy p/ x > 2 R: 4 4 ´ 2 − − = x y 28. 22))(( xseny = R: )2(2´ 2xsenxy = 29. ))2cos(1.(2 )( x xsen y + = 2 ))(sec( ´ 2xy = 30. )2cos(1 )( x xsen y − = 0´=y
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