MTH 238
TEST I
I. Solve the following differential equations. Choose 10.
1.
( 6e
2.
( 2 x sin y +e ) dx +( x
3.
(x
4.
( x +2 y +1) dx +( 2 x +4 y - 3) dy =0
3y
+1) ( x +1) dy - xe y dx =0
x
2
2
cos y +2 y ) dy =0
+2 y 2 ) dx - 2 xydy =0
1
-x
2 -x
2
dy
5.
GW
MTH 238 Test 2 Summer 2014
Give the general solution of the following differential equations:
Choose six.
1. y10y'+25y=30x+3
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