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If int (3e^(x)-5e^(-x))/(4e^(x)+5e^(-x))...

If `int (3e^(x)-5e^(-x))/(4e^(x)+5e^(-x))dx = ax+b log(4e^(x)+5e^(-x))+c`

A

a = -1/8, b = 7/8

B

a = 1/8, b = 7/8

C

a = -1/8, b = -7/8

D

a = 1/7, b = -7/8

Text Solution

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The correct Answer is:
A
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