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Mathematics
Problem
Determine whether the equation
2
(
x
2
+
y
2
)
−
4
x
+
12
y
−
7
=
0
2(x^2 + y^2) - 4x + 12y - 7 = 0
2
(
x
2
+
y
2
)
−
4
x
+
12
y
−
7
=
0
represents a circle. If it does, state its centre and radius.
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