If cos^(-1)((x^(2)-y^(2))/(x^(2)-y^(2)))...

If `cos^(-1)((x^(2)-y^(2))/(x^(2)-y^(2)))=loga,` then `(dy)/(dx)` is

A

`(x)/(y)`

B

`-(x)/(y)`

C

`(y)/(x)`

D

`-(y)/(x)`

Verified by Experts

The correct Answer is:

C

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