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If int (e^(x)-e^(-x))/(e^(2x)+e^(-2x))dx...

If `int (e^(x)-e^(-x))/(e^(2x)+e^(-2x))dx=A ln |(e^(x)+e^(-x)+B)/(e^(x)+e^(-x)-B)|+c` then AB=

A

2

B

`(1)/(2)`

C

`-2`

D

`(-1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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