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Byju's Answer
Standard XII
Mathematics
Slope Form a Line
Find the equa...
Question
Find the equation of the parabola whose focus is
(
1
,
−
1
)
and whose vertex is
(
2
,
1
)
.
also find its axis and latus rectum.
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Solution
given ,
The Focus of Parabola
(
1
,
−
1
)
The vertex of Parabola is
(
2
,
1
)
The Distance between Focus and vertex
(
a
)
=
√
(
2
−
1
)
2
+
(
1
+
1
)
2
√
1
+
4
√
5
The equation of parabola is
(
y
−
1
)
2
=
4
√
5
(
x
−
2
)
y
2
−
2
y
+
1
=
4
√
5
x
−
8
√
5
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