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

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

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
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