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 :
by
Sandeep Bhardwaj