Question

What is the derivative of `(4-x^2)^4`?

Answer 1

`(d y)/(d x)=-8x(4-x^2)^3`

Explanation:

`y=(4-x^2)^4" ; "(d y)/(d x)=?`

`(d y)/(d x)=4(4-x^2)^3*(-2x)=-8x(4-x^2)^3`