int (dx)/(x^(2)+4x+13) =...

`int (dx)/(x^(2)+4x+13) =`

A

`log(x^(2) + 4x +13) +c`

B

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

C

log(2x+4)+c

D

`(2x+4)/(x^(2)+4x+13)) + c`

Text Solution

Verified by Experts

The correct Answer is:

B

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