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int (1)/(sqrt(x^(2)-4x-5))dx=...

`int (1)/(sqrt(x^(2)-4x-5))dx=`

A

`cosh^(-1) ((x+ 2)/(3)) + c `

B

`sinh^(-1)((x- 2)/(3)) + C `

C

`cosh^(-1) ((x - 2)/(3)) + C `

D

`sinh^(-1) ((x + 2)/(3)) + C `

Text Solution

Verified by Experts

The correct Answer is:
C
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