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Mathematics
Problem
The equation of radical axis of the circles
x
2
+
y
2
+
x
−
y
+
2
=
0
x^2 + y^2 + x - y + 2 = 0
x
2
+
y
2
+
x
−
y
+
2
=
0
and
3
x
2
+
3
y
2
−
4
x
−
12
=
0
3x^2 + 3y^2 - 4x - 12 = 0
3
x
2
+
3
y
2
−
4
x
−
12
=
0
is a.
2
x
2
+
2
y
2
−
5
x
+
y
−
14
=
0
2x^2 + 2y^2 - 5x + y - 14 = 0
2
x
2
+
2
y
2
−
5
x
+
y
−
14
=
0
b.
7
x
−
3
y
+
18
=
0
7x - 3y + 18 = 0
7
x
−
3
y
+
18
=
0
c.
5
x
−
y
+
14
=
0
5x - y + 14 = 0
5
x
−
y
+
14
=
0
d. None of these
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