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Problem
Problem
The equation
a
x
2
+
4
x
y
+
y
2
+
a
x
+
3
y
+
2
=
0
ax^2 + 4xy + y^2 + ax + 3y + 2 = 0
a
x
2
+
4
x
y
+
y
2
+
a
x
+
3
y
+
2
=
0
represents a parabola, then find the value of
a
a
a
.
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