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int (1)/(e^(x)+2e^(-x)-3)dx=...

`int (1)/(e^(x)+2e^(-x)-3)dx=`

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
C
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