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Standard XII
Mathematics
Definition of Vector
What is Gener...
Question
What is General Conic Form?
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Solution
General Conic Form
A conic includes shapes like a circle, parabola, ellipse, and hyperbola.
Each shape is formed when a cone is cut by a plane at different angles.
The general form of a conic is
A
x
2
+
B
x
y
+
C
y
2
+
D
x
+
E
y
+
F
=
0
where
A
,
B
,
C
,
D
,
E
,
F
are constants.
The difference in the equation of conics depends upon the values of
A
,
C
For circles, the values of
A
,
C
are equal in magnitude and sign i.e.,
A
=
C
For ellipses, the values of
A
,
C
have the same sign and different values i.e,
A
,
C
>
0
,
A
≠
C
For hyperbolas, the values of
A
,
C
have opposite signs i.e.,
C
<
0
<
A
or
A
<
0
<
C
For parabolas, either of the values of
A
,
C
must be zeroi.e.,
A
=
0
or
C
=
0
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