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The locus of the mid-point of the chord ...

The locus of the mid-point of the chord of contact of tangents drawn from points lying on the straight line `4x – 5y = 20` to the circle `x^(2) + y^(2) = 9` is

A

`20 (x ^(2) + y ^(2)) - 36 x + 45 t =0`

B

`20 (x ^(2) + y ^(2)) + 36 x - 45 y =0`

C

`36 ( x ^(2) + y ^(2)) - 20 x + 45 y =0`

D

`36 (x ^(2) + y ^(2)) + 20 x - 45 y =0`

Text Solution

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The correct Answer is:
A
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