SOLUTION: Use the definition of the derivative to find f ′(x) if f(x)=x^2+x f(x)= 1/(x-1)

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Question 1009861: Use the definition of the derivative to find f ′(x) if
f(x)=x^2+x
f(x)= 1/(x-1)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Use the definition of the derivative to find f ′(x) if
f(x)=x^2+x
f'(x) = 2x + 1
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f(x)= 1/(x-1) = (x-1)^(-1)
f'(x) = -1(x-1)^(-2)
= -1%2F%28x-1%29%5E2