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Byju's Answer
Standard XII
Mathematics
Parabola
The equation ...
Question
The equation of a locus is
(
2
x
−
1
)
2
+
(
y
+
3
2
)
2
=
4.
The origin in shifted to the point
(
1
2
,
−
3
2
)
, the axes remaining parallel. Find the equation of the locus in the new system.
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Solution
Origin being shifted to
(
1
2
,
−
3
2
)
For new system we replace
x
→
x
−
1
2
and
y
→
y
+
3
2
=
>
(
2
(
x
−
1
2
)
−
1
)
2
+
(
y
+
3
2
+
3
2
)
2
=
4
=
>
(
2
x
−
2
)
2
(
y
+
3
)
2
=
4
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Similar questions
Q.
If the origin is shifted to the point (-1, 2) the new equation of the locus is
X
2
+
5
X
Y
+
3
Y
2
=
0
, find the original equation of the locus, axes remaining parallel.
Q.
If the origin is shifted to the point
(
2
,
−
1
)
, obtain the new equation of the locus
2
x
2
+
3
x
y
−
9
y
2
−
5
x
−
24
y
−
7
=
0
, axes remaining parallel.
Q.
If the origin is shifted to the point (1, 1), axes remaining parallel, find the new equation of the locus in each of the following.
i)
x
y
−
x
−
y
+
1
=
0
ii)
x
2
−
y
2
−
2
x
+
2
y
=
0
iii)
x
2
+
y
2
−
4
x
+
6
y
+
3
=
0
Q.
Origin is shifted to
(
9
2
,
p
)
. If the new equation of the locus
y
2
+
2
x
−
8
y
+
7
=
0
does not contain a term in Y, then p =
Q.
If
X
Y
=
1
is the new form of the locus
x
y
−
3
x
+
2
y
−
7
=
0
, when origin is shifted to
A
(
h
,
k
)
, axes remaining parallel, find values of
h
,
k
.
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