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Mathematics
Problem
Find the equation of the circle passing through the centre of the circle
x
2
+
y
2
−
4
x
−
6
y
=
8
x^2 + y^2 - 4x - 6y = 8
x
2
+
y
2
−
4
x
−
6
y
=
8
and being concentric with the circle
x
2
+
y
2
−
2
x
−
8
y
=
5
x^2 + y^2 - 2x - 8y = 5
x
2
+
y
2
−
2
x
−
8
y
=
5
.
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