First and second derivatives of the function y=((1-x)/x^2)^3

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Please see the attached document.

Y = [(1-x)/x2]^3

First derivative (remember d/dx (a^n) = n a^(n-1)
dy/dx = 3 [(1-x)/x2]2 {d/dx (1-x)/x2}

We need to calculate d/dx (1-x)/x2, for this, use the quotient rule or the product rule (this is simple)

Take (1-x) as first function and 1/x2 (= x -2) as ...