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Evaluate: int1/(e^x+e^(-x))\ dx...

Evaluate: `int1/(e^x+e^(-x))\ dx`

A

`tan^-1(e^-x)+c`

B

`tan^-1(e^x)+c`

C

`tan^-1x+c`

D

`1+e^x+c`

Text Solution

Verified by Experts

The correct Answer is:
A
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