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intdx/(x^(2)+x+1) is equal to...

`intdx/(x^(2)+x+1)` is equal to

A

`sqrt3/2tan^(-1)((2x+1)/sqrt3)+c`

B

`2/sqrt3tan^(-1)((2x+1)/sqrt3)+c`

C

`1/sqrt3tan^(-1)((2x+1)/sqrt3)+c`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
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