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Joint Entrance Examination
Mathematics
Differential Equations
Question 324
Question 324 of 490
Medium
MCQ
The differential equation whose solution is
A
x
2
+
B
y
2
=
1
Ax^2+By^2=1
A
x
2
+
B
y
2
=
1
(
A
,
B
A,B
A
,
B
arbitrary) has:
A
second order, second degree
B
first order, second degree
C
first order, first degree
D
second order, first degree
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Official solution
Differentiating twice and eliminating
A
,
B
A,B
A
,
B
gives an equation involving
y
′
′
y''
y
′′
linearly (degree 1) and order 2.
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