Byju's Answer
Standard XII
Mathematics
Formation of a Differential Equation from a General Solution
If x^2 + y^2 ...
Question
If
x
2
+
y
2
=
t
−
1
t
and
x
4
+
y
4
=
t
2
+
1
t
2
,then
x
3
y
d
y
d
x
equals
A
– 1
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B
0.0
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C
1
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D
None of these
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Solution
The correct option is
C
1
x
2
+
y
2
=
t
−
1
t
a
n
d
x
4
+
y
4
=
t
2
+
1
t
2
∴
x
2
y
2
=
−
1
⇒
x
2
.
2
y
d
y
d
x
+
y
2
.
2
x
=
0
⇒
x
3
y
d
y
d
x
=
x
2
y
2
=
1
Suggest Corrections
0
Similar questions
Q.
If
x
2
+
y
2
=
t
−
1
t
and
x
4
+
y
4
=
t
2
+
1
t
2
,then
x
3
y
d
y
d
x
equals
Q.
If
x
2
+
y
2
=
t
−
1
t
and
x
4
+
y
4
=
t
2
+
1
t
2
, then
x
3
y
d
y
d
x
equals
Q.
lf
x
2
+
y
2
=
t
−
1
t
and
x
4
+
y
4
=
t
2
+
1
t
2
, then
x
3
y
d
y
d
x
equals
Q.
If
x
2
+
y
2
=
t
−
1
t
and
x
4
+
y
4
=
t
2
+
1
t
2
, then
x
3
y
d
y
d
x
=
Q.
x
2
+
y
2
=
t
+
1
t
,
x
4
+
y
4
=
t
2
+
1
t
2
⇒
x
3
y
d
y
d
x
=
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