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If A=1/pi[sin^(-1)(pix)tan^(-1)(x/pi)sin...

If `A=1/pi[sin^(-1)(pix)tan^(-1)(x/pi)sin^(-1)(x/pi)cot^(-1)(pix)]` and `B=1/pi[-cot^(-1)(pix)tan^(-1)(x/pi)sin^(-1)(x/pi)-tan^(-1)(pix)]` , then `A-B` is equal to `I` (b) 0 (c) `2I` (d) `1/2I`

A

`I`

B

0

C

`2I`

D

`(1)/(2)I`

Text Solution

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The correct Answer is:
D
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