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Mathematics
Problem
For the equation
x
2
+
y
2
+
4
x
+
6
y
+
20
=
0
x^2 + y^2 + 4x + 6y + 20 = 0
x
2
+
y
2
+
4
x
+
6
y
+
20
=
0
, which statement is correct about the curve it represents? a) It is a circle with zero radius (a point circle) b) It is a parabola c) It is a circle with imaginary radius d) It is a circle with real radius
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