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tan^(-1)((a+btanx)/(b-atanx))...

`tan^(-1)((a+btanx)/(b-atanx))`

A

`1`

B

`0`

C

` (1)/( 1+x^(2)) `

D

` (-1)/( 1+x^(2))`

Text Solution

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The correct Answer is:
B
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