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# Check Solutions to an Exponential Differential Equation

SVCALC-MBYSZS

Which of the following is a solution to the differential equation?

$$2y-y'-y''=0$$

Select ALL that apply.

A

$y=\sin x$

B

$y=2e^x$

C

$y=-2e^x$

D

$y=\cos x + \sin x$