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Which of the following is differentiable...

Which of the following is differentiable in the interval `(1, 2)`?

A

`int_(x)^(2x)(logx)^(2)dx`

B

`int_(x)^(2x)(sinx)/(x)dx`

C

`int_(x)^(2x)(1-t+t^(2))/(1+t+t^(2))dt`

D

none of these

Text Solution

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The correct Answer is:
C
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