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Slope of tangent to the circle (x-r)^2+y...

Slope of tangent to the circle `(x-r)^2+y^2=r^2` at the point`(x. y)` lying on the circle is

A

`(x)/(y-r)`

B

`(r-x)/(y)`

C

`(y^(2) - x^(2))/(2xy)`

D

`(y^(2) + x^(2))/(2xy)`

Text Solution

Verified by Experts

The correct Answer is:
B, C
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