Find the general solution of the differential equation + 3y = cos x.
A) y = sin (
x) +
cos (
x) -
cos x
B)
C) y = sin (3x) +
cos (3x) + sin x
D) y = sin (3x) +
cos (3x) - sin x
E) y = sin (
x) +
cos (
x) -
sin x
Correct Answer:
Verified
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