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If tan^-1(x^2+y^2)=alpha,then(dy)/(dx) i...

If `tan^-1(x^2+y^2)=alpha,then(dy)/(dx)` is equal to

A

xy

B

`-xy`

C

`-x/y`

D

`x/y`

Text Solution

Verified by Experts

The correct Answer is:
C
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