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

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Answer 1 · 2017-01-03T16:00:31

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

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

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

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