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

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

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Question 1003757: Use the definition of the derivative to find f ′(x) if
(a)f(x)=x^2+x
(b)f(x)= 1/(x-1)

Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

(a)

'
(b)

using the method:

=

=

=

=

=

so,
'

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