p is a real number(adsbygoogle = window.adsbygoogle || []).push({});

f(x)=1+2p(x-1)+(x-1)^2 for x=<1

My book says that the derivative of this function is:

f'(x)=2p+2(x-1)

Shouldnt it be 2p+2(x-1)+2(x-1)

since the derivative of 2p(x-1) is 2p+2(x-1)

and the derivative of (x-1)^2 is 2(x-1)

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# Homework Help: Derivative help

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