Question

СРОЧНО! Сижу на паре!!

Выч сложн производную

 

$y= arcos7x+tg(x^2+1)$

,

,

$y=lnsqrt{14-x^2}+5e$

Answer 1

y=arccos7x + tg(x^2+1)

y'= -1/√(1-49x^2) * 7 + 1/cos^2(x^2+1) * 2x = -7/√(1-49x^2) + 2x/cos^2(x^2+1)

y= ln√(14-x^2) + 5e

y'= 1/√(14-x^2) * 1/(2√(14-x^2)) * (-2x) = -2x/2(14-x^2)=-x/(14-x^2)=x/(x^2-14)