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The slope of the tangent at (x , y) to a...

The slope of the tangent at `(x , y)` to a curve passing through a point `(2,1)`
is `(x^2+y^2)/(2x y)` , then the equation of the curve is

A

(a) `2(x^2-y^2)=3x`

B

(b) `2(x^2-y^2)=6y`

C

(c) `x(x^2-y^2)=6`

D

(d) `x(x^2+y^2)=10`

Text Solution

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The correct Answer is:
A
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