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Mathematics
Mathematics
Problem
Find the centre and radius of the circle whose equation is
x
2
+
y
2
+
8
x
−
6
y
+
12
=
0
x^2 + y^2 + 8x - 6y + 12 = 0
x
2
+
y
2
+
8
x
−
6
y
+
12
=
0
.
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