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Mathematics
Mathematics
Problem
The number of common tangents that can be drawn to the circles
x
2
+
y
2
−
4
x
−
6
y
−
3
=
0
x^2 + y^2 - 4x - 6y - 3 = 0
x
2
+
y
2
−
4
x
−
6
y
−
3
=
0
and
x
2
+
y
2
+
2
x
+
2
y
+
1
=
0
x^2 + y^2 + 2x + 2y + 1 = 0
x
2
+
y
2
+
2
x
+
2
y
+
1
=
0
is a. 1 b. 2 c. 3 d. 4
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