int (4e^(x) + 6e^(-x))/(9e^(x) - 4e^(-x)...

`int (4e^(x) + 6e^(-x))/(9e^(x) - 4e^(-x))dx` is equal to

A

`(3)/(2)x + (35)/(36)log|9e^(2x) - 4| + C`

B

`(3)/(2)x - (35)/(36) log|9e^(2x) - 4|+C`

C

`-(3)/(2)x + (35)/(36)log|9e^(2x) - 4|+C`

D

`-(5)/(2) x + (35)/(36)log |9e^(2x) - 4|+C`

Verified by Experts

The correct Answer is:

C

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