Question

How do you find the derivative of the function `g(x) = sqrt(1 - 121 x^2)(arccos)(11 x)`?

Answer 1

In this way:

`y'=1/(2sqrt(1-121x^2))*(-242x)*arccos(11x)+`

`+sqrt(1-121x^2) * (-1/sqrt(1-121x^2) *11)=`

`=-(121x)/sqrt(1-121x^2)arccos(11x)-11`.