A tangent P T is drawn to the | Maths | JEE ADVANCED 2012

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JEE Advance 2012

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Question

A tangent P T is drawn to the circle $x^2+y^2=4$ at the point $P(\sqrt{3}, 1)$. A straight line $L$, perpendicular to $P T$ is a tangent to the circle $(x-3)^2+y^2=1$.
A common tangent of the two circles is

Select the correct option:

A

$x=4$

B

$y=2$

C

$x+\sqrt{3} y=4$

D

$x+2 \sqrt{2} y=6$

✓ Correct! Well done.

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