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Mathematics
Mathematics
Problem
y
=
a
e
−
1
/
x
+
b
y = ae^{-1/x} + b
y
=
a
e
−
1/
x
+
b
is a solution of
d
y
d
x
=
y
x
2
\frac{dy}{dx} = \frac{y}{x^2}
d
x
d
y
=
x
2
y
then (a)
a
∈
R
,
b
=
0
a \in R, b = 0
a
∈
R
,
b
=
0
(b)
a
=
2
,
b
=
1
a = 2, b = 1
a
=
2
,
b
=
1
(c)
a
=
1
,
b
=
1
a = 1, b = 1
a
=
1
,
b
=
1
(d)
a
=
2
,
b
=
2
a = 2, b = 2
a
=
2
,
b
=
2
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