The differential equation from the equation y

The differential equation from the equation y=ex (A cos x + B sin x) is
(a) y” +2y’+2y=0
(b) y” -2y’+2y=0
(c) y” -4y’+2y=0
(d) None

Anurag Mishra Professor Asked on 28th May 2016 in Maths.
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