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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

B

y=0

C

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

D

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

Text Solution

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The correct Answer is:
`(h^(2)-r^(2))x-2rhy=0`
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