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int (dx)/(e^x + e^-x)...

`int (dx)/(e^x + e^-x)`

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
A
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