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Byju's Answer
Standard XII
Mathematics
General Equation of Hyperbola
If the origin...
Question
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.
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Solution
Origin is shiftef to
(
2
,
−
1
)
=>For transformed equation replace
x
→
x
−
2
and
y
→
y
+
1
Now equation =>
2
(
x
−
2
)
2
+
3
(
x
−
2
)
(
y
+
1
)
−
9
(
y
+
1
)
2
−
5
(
x
−
2
)
−
24
(
y
+
1
)
−
7
=
0
=
>
2
x
2
−
10
x
+
3
x
y
−
48
y
−
9
y
2
−
28
=
0
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0
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 (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.
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.
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
.
Q.
By shifting the origin to the point
(
−
1
,
2
)
transform the equation
4
x
2
+
y
2
+
8
x
−
4
y
+
4
=
0
, axes remaining parallel.
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Standard XII Mathematics
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