int(x+2)/((x^(2)+3x+3)sqrt(x+1))dx " is ...

` int(x+2)/((x^(2)+3x+3)sqrt(x+1))dx " is equal to"`

A

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

B

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

C

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

D

none of these

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Verified by Experts

The correct Answer is:

b

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