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inttan^(-1)sqrt((1-x)/(1+x))dx=...

`inttan^(-1)sqrt((1-x)/(1+x))dx=`

A

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

B

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

C

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

D

(d) `2(xcos^(-1)x-sqrt(1-x^(2)))+c`

Text Solution

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The correct Answer is:
B
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