Differential EquationHard
Question
The solution of the differential equation 
+ y = cos x is-
+ y = cos x is- Options
A.y = 
(cos x + sin x) + ce−x
(cos x + sin x) + ce−xB.y = (cos x − sin x) + ce−x
(cos x − sin x) + ce−xC.y = cos x + sin x + ce−x
D.None of these
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