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The equations of tangents drawn from the...

The equations of tangents drawn from the origin to the circle `x^2+y^2-2rx-2hy+h^2=0` are :

A

x=0 only

B

y = 0 only

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
C
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