MATH 3321 EMATH EXAM 1 | QUESTIONS AND ANSWERS | 2026 UPDATE
100% CORRECT - UH.
wait=-5766262, due=1695531540, due2=0 Question number 1.
Your answer was D. Correct. \/
Give the differential equation that has y“ = Cx3 - 3x asits general solution.
© 3yt +4x
3y*+ 3x
y=2Y">
4xy?
. 3y*t+6x
y=2"">
4xy*
, _ 3y"+6x
y =
4xy3
3y4—12x
y =2 "%
4xy3
None of the above.
Question number 2.
Your answer was A. Wrong. x 1
Find the general solution of X3y’ = 4x* cos(3x) + x?y.
118
, 4
y= -3 x sin(3x) + Cx
28
100% CORRECT - UH.
wait=-5766262, due=1695531540, due2=0 Question number 1.
Your answer was D. Correct. \/
Give the differential equation that has y“ = Cx3 - 3x asits general solution.
© 3yt +4x
3y*+ 3x
y=2Y">
4xy?
. 3y*t+6x
y=2"">
4xy*
, _ 3y"+6x
y =
4xy3
3y4—12x
y =2 "%
4xy3
None of the above.
Question number 2.
Your answer was A. Wrong. x 1
Find the general solution of X3y’ = 4x* cos(3x) + x?y.
118
, 4
y= -3 x sin(3x) + Cx
28