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If int (4e^x+6e^-x)/(9e^x-4e^-x)dx=Ax+B ...

If `int (4e^x+6e^-x)/(9e^x-4e^-x)dx=Ax+B ln (9e^(2x)-4)+C`, then

A

`A=-(3)/(2),B=(35)/(36),C=0`

B

`A=(35)/(36),B=-(3)/(2),CinR`

C

`A=-(3)/(2),B=(35)/(36),CinR`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
c
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