Evaluate: int(x-1)/((x+1)sqrt(x^3+x^2+x)...

Evaluate: `int(x-1)/((x+1)sqrt(x^3+x^2+x))dx`

A

`tan^(-1)sqrt((x^(2)+x+1)/(x))+C`

B

`2tan^(-1)sqrt((x^(2)+x+1)/(x))+C`

C

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

D

none of these

Verified by Experts

The correct Answer is:

b

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