int (3^(x)dx)/(sqrt(9^(x)-1)) =...

`int (3^(x)dx)/(sqrt(9^(x)-1)) =`

A

`1/log 3 log[3^(x) + sqrt(9^(x)-1)]+c`

B

`1/log 3 log[3^(x) - sqrt(9^(x)-1)]+c`

C

`1/log 9 log[3^(x) - sqrt(9^(x)-1)]+c`

D

`1/log 3 log[9^(x) + sqrt(9^(x)-1)]+c`

Text Solution

Verified by Experts

The correct Answer is:

A

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