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If y= tan ^(-1) ((acos x -bsin x )/( bc...

If ` y= tan ^(-1) ((acos x -bsin x )/( bcos x+asin x ) ) ,then (dy)/(dx)=`

A

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

B

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

C

`-1`

D

`1`

Text Solution

Verified by Experts

The correct Answer is:
C
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