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If y=tan ^(-1) ((a-x) /(1+x^(2))),then ...

If ` y=tan ^(-1) ((a-x) /(1+x^(2))),then (dy)/(dx) =`

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
C
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