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Byju's Answer
Standard XII
Mathematics
Formation of a Differential Equation from a General Solution
Find the diff...
Question
Find the differential equation of
y
=
a
e
3
x
+
b
e
3
x
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Solution
To find Differential equation of the solution
y
=
a
e
3
x
+
b
e
3
x
y
=
(
a
+
b
)
e
3
x
let
a
+
b
=
c
(some, constant)$
y
=
c
e
3
x
y
1
(
x
)
=
3
c
e
3
x
{No. of parometer in the gen soln imblies the order of the diffential earn}
y
1
(
x
)
=
3
y
(
x
)
y
1
(
x
)
−
3
y
(
x
)
=
0
y
1
−
3
y
=
0
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