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# 6.     The number of common tangents that can be drawn to the circle x2 + y2 - 4x - 6y – 3 = 0 and x2 + y2 + 2x + 2y + 1 = 0  is (a)    1(b)    2(c)    3(d)    4

Jitender Singh IIT Delhi
7 years ago
Ans: 2
Both circles are intersecting with each other, only two common tangents are possible.
TangentsEquation:
$x+2 =0$
$y+1 =0$
Thanks & Regards
Jitender Singh
IIT Delhi