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## Homework Statement

Differentiate f(x) = (x^2 - 3x)^2

## Homework Equations

f'(x) = nf'(x)f(x)^(n-1)

## The Attempt at a Solution

f’(x) = 2(x2-3x)’(x2-3x)2-1

= 2(2x-3)(x2-3x)1

= 2(2x3 – 6x2 – 3x2 + 9x)

= 2(2x3 – 9x2 + 9x)

= 4x3 – 18x2+ 18x

Is this correct?