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  4. The length of the tangent drawn from any point on the circle x2 + y2 - 4x + 2y + 4 = 0 to the circle x2 + y2 - 4x + 6y = 0 is

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Q. The length of the tangent drawn from any point on the circle $x^2 + y^2 - 4x + 2y + 4 = 0 $to the circle $x^2 + y^2 - 4x + 6y = 0$ is

COMEDKCOMEDK 2014Conic Sections

Solution:

Correct answer is (c) 2