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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)-36x+45y=0`

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
A
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