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The locus of the point from which perpen...

The locus of the point from which perpendicular tangent and normals can be drawn to a circle is

A

`x ^(2) + y ^(2) = 42`

B

`x ^(2) + y ^(2) = 48`

C

`x ^(2) + y ^(2) =60`

D

`x ^(2) + y ^(2) = 72`

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Verified by Experts

The correct Answer is:
D
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