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cos^(- 1)((x^2-y^2)/(x^2+y^2))=loga find...

`cos^(- 1)((x^2-y^2)/(x^2+y^2))=loga` find `dy/dx`

A

`y/x`

B

`x/y`

C

`x^2/y^2`

D

`y^2/x^2`

Text Solution

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The correct Answer is:
A
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