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Let f be a differentiable function such ...

Let f be a differentiable function such that `f(1) = 2` and `f'(x) = f (x)` for all `x in R`. If `h(x)=f(f(x))`, then `h'(1)` is equal to

A

4e

B

`4e^2`

C

2e

D

`2e^2`

Text Solution

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The correct Answer is:
A
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