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Mathematics
Problem
Show that the circles
x
2
+
y
2
−
6
x
+
4
y
+
4
=
0
and
x^2 + y^2 - 6x + 4y + 4 = 0 \text{ and}
x
2
+
y
2
−
6
x
+
4
y
+
4
=
0
and
x
2
+
y
2
+
x
+
4
y
+
1
=
0
cut orthogonally.
x^2 + y^2 + x + 4y + 1 = 0 \text{ cut orthogonally.}
x
2
+
y
2
+
x
+
4
y
+
1
=
0
cut orthogonally.
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