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int(dx)/(x^2+2x+2)equals...

`int(dx)/(x^2+2x+2)`equals

A

`x tan^(-1)(x+1)+c`

B

`tan^(-1)(x+1)+c`

C

`(x+1)tan^(-1)x+c`

D

`tan^(-1)x+c`

Text Solution

Verified by Experts

The correct Answer is:
B
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