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

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

A

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

B

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

C

`log (e^(x)-e^(-x))+c`

D

`log (e^(x)+e^(-x))+c`

Text Solution

Verified by Experts

The correct Answer is:
A
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