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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

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

B

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

C

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

D

(d) None of these

Text Solution

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The correct Answer is:
A
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