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JEE-Mains 2015 (20/30)

Geometry Level 3

\[\begin{cases} x^2+y^2-4x-6y-12=0 \\ x^2+y^2+6x+18y+26=0 \end{cases}\]
The number of common tangents to the above two circles is :

2 3 1 4

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by Sandeep Bhardwaj

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