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Tangents drawn from the origin to the ci...

Tangents drawn from the origin to the circle `x^2 +y^2-2ax-2by + a^2 = 0` are perpendicular if

A

p=q

B

`p^(2)q^(2)`

C

`q=-p`

D

`p^(2)+q^(2)=1`

Text Solution

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The correct Answer is:
A, B, C
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