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int(1)/(x^(2)+(a+b)x+ab)dx=...

`int(1)/(x^(2)+(a+b)x+ab)dx=`

A

`(1)/(b-a)log[(x+b)/(x+a)]+c`

B

`(1)/(b-a)log[(x+a)/(x+b)]+c`

C

`(1)/(ab)tan^(-1)[(ax)/(b)]+c`

D

`(1)/(ab)tan^(-1)[(bx)/(a)]+c`

Text Solution

Verified by Experts

The correct Answer is:
B
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