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intsqrt(x^2-4x-5)dx=...

`intsqrt(x^2-4x-5)dx=`

A

`(x-2)/(2)sqrt(x^2-4x-5)-(9)/(2)log|x-2+sqrt(x^2-4x-5)|+c`

B

`(x-2)/(2)sqrt(x^2-4x-5)+(9)/(2)log|x-2+sqrt(x^2-4x-5)|+c`

C

`(x-2)/(2)sqrt(x^2-4x-5)-(9)/(4)log|x-2+sqrt(x^2-4x-5)|+c`

D

`(x-2)/(2)sqrt(x^2-4x-5)+(9)/(4)log|x-2+sqrt(x^2-4x-5)|+c`

Text Solution

Verified by Experts

The correct Answer is:
A
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