The equation of tangents drawn from the ...

The equation of tangents drawn from the origin to the circle `x^(2)+y^(2) -2r x -2hy +h^(2) =0` are

A

x=0, y=0

B

x=1, y=0

C

`(h^2-r^2)x-2rhy=0, y=0`

D

`(h^2-r^2)x-2rhy=0, x=0`

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The correct Answer is:

D

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