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JEE ADVANCE 2012
paper 1
Question
The locus of the mid-point of the chord of contact of tangents drawn from points lying on the straight line $4 x-5 y=20$ to the circle $x^2+y^2=9$ is
Select the correct option:
A
$20\left(x^2+y^2\right)-36 x+45 y=0$
B
$20\left(x^2+y^2\right)+36 x-45 y=0$
C
$36\left(x^2+y^2\right)-20 x+45 y=0$
D
$36\left(x^2+y^2\right)+20 x-45 y=0$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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