Question

How do you find the derivative of `y=pi/(3x)^2`?

Answer 1

`(dy)/(dx) =-(2pi)/(9x^3)`

Explanation:

`y=pi/((3x)^2) = pi/9x^(-2)`

`(dy)/(dx) = pi/9(-2x^(-3)) =-(2pi)/(9x^3)`