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Differential Equations
hard
0:00.0
Find the integrating factor for
y
′
+
y
=
x
y' + y = x
y
′
+
y
=
x
.
A
e
x
e^x
e
x
B
e
−
x
e^{-x}
e
−
x
C
x
x
x
D
1
1
1
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