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

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

A

`-(1)/(sqrt(5))Sin^(-1)((4x+7)/(6x+3))+c`

B

`-(1)/(sqrt(3))Sin^(-1)((4x+7)/(6x+3))+c`

C

`-(1)/(sqrt(5))Sin^(-1)((4x-7)/(6x-3))+c`

D

none

Text Solution

Verified by Experts

The correct Answer is:
A
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