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int(0)^(1)(dx)/(e^(x)+e^(-x)) is equal t...

`int_(0)^(1)(dx)/(e^(x)+e^(-x))` is equal to

A

`pi/4 - tan^(-1)e`

B

`tan^(-1)(e) - pi/4`

C

`tan^(-1)(e) + pi/4`

D

`tan^(-1) (e)`

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The correct Answer is:
B
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