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If y = tan^(-1) ((x + a)/(1 - xa)), dy/d...

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

A

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

B

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

C

`1/(1 + x^2)`

D

`a^2/((1-xa)^2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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