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Let f : (-1, 1) to R be a differentiable...

Let `f : (-1, 1) to R` be a differentiable function with `f(0) = -1` and `f'(0) = 1` . Let `g(x) = [f(2f(x) + 2)]^2` . Then `g'(0)` is equal to

A

`-2`

B

`4`

C

`-4`

D

`0`

Text Solution

Verified by Experts

The correct Answer is:
B
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