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int (dx)/(e^(x) + 1 -2e^(-x))=...

`int (dx)/(e^(x) + 1 -2e^(-x))=`

A

`log (e^(x) - 1) - log(e^(x) + 2) + c`

B

`(1)/(2)log(e^(x)-1)-(1)/(3)log(e^(x)+2)+c`

C

`(1)/(3) log (e^(x)-1) - (1)/(3)log(e^(x)+2) + c`

D

`(1)/(3) log(e^(x)-1) + (1)/(3) log(e^(x) + 2) + c`

लिखित उत्तर

Verified by Experts

The correct Answer is:
C
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