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Byju's Answer
Standard XII
Mathematics
Family of Curves
Find the vert...
Question
Find the vertex, axis, focus, and latus rectum of the parabola
4
y
2
+
12
x
−
20
y
+
67
=
0
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Solution
4
y
2
+
12
x
−
20
y
+
67
=
0
4
y
2
−
20
y
=
−
12
x
−
67
(
y
−
5
2
)
2
=
−
3
(
x
−
(
−
7
2
)
)
∴
Vector is
(
−
7
2
,
5
2
)
a
=
3
4
Focus
(
h
−
a
,
k
)
(
−
7
2
−
3
4
,
5
2
)
Focus
(
−
17
4
,
5
2
)
equation of axis
y
=
5
2
equation of directeri
x
x
=
3
4
(
∵
x
=
a
)
Latus rectum
4
a
=
3
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0
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