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Pair of tangents are drawn from origin t...

Pair of tangents are drawn from origin to the circle `x^2 + y^2 – 8x – 4y + 16 = 0` then square of length of chord of contact is

A

`64/5`

B

`24/5`

C

`8/5`

D

`8/13`

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The correct Answer is:
A
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