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Mathematics
Mathematics
Problem
Find the centre and radius of the circle represented by the equation
x
2
+
y
2
+
8
x
−
6
y
+
9
=
0.
x^2 + y^2 + 8x - 6y + 9 = 0.
x
2
+
y
2
+
8
x
−
6
y
+
9
=
0.
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