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Mathematics
Problem
Find the coordinates of the middle point of the chord which the circle
x
2
+
y
2
+
4
x
−
2
y
−
3
=
0
x^2 + y^2 + 4x - 2y - 3 = 0
x
2
+
y
2
+
4
x
−
2
y
−
3
=
0
cuts-off the line
x
−
y
+
2
=
0
x - y + 2 = 0
x
−
y
+
2
=
0
.
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