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Let f(x) = (x^2 - x)/(x^2 + 2x) , then ...

Let `f(x) = (x^2 - x)/(x^2 + 2x) `, then `d/(dx) (f^(-1)(x))^(-)` is equal to

A

`(1-)/((1-x)^(2))`

B

`(3)/((1-x)^(2))`

C

`(1)/((1-x)^(2))`

D

`(-3)/((1-x)^(2))`

Text Solution

Verified by Experts

The correct Answer is:
D
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