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Given that for each a epsilon(0,1),lim(h...

Given that for each `a epsilon(0,1),lim_(hto 0^(+)) int_(h)^(1-h)f^(-a)(1-t)^(a-1)dt` exists. Let this limit be `g(a)`. In addition it is given the function `g(a)` is differentiable on`(0,1)`.
The value of `g'(1/2)` is

A

`(pi)/2`

B

`pi`

C

`-(pi)/2`

D

`0`

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The correct Answer is:
D
NA
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