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using the undetermined coefficients to find the general D.E solution

dy/dx +3y =3x+5sinx

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By method of undetermined... View the full answer

New Doc 2020-01-24 09.14.01_1.jpg

dy + 34 = 3x + 5 sinx
y ( x ) = yet Up
where y. in complementary solution and
yp is Particular Solution.
y' + 34 = 3x + 5 sink
for y c
its characteristic equation is
r + 3 = 0
- 3
C, e-3x

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