Question: g(t) = cos(t) + 2 sin(t) - 3et is a solution of d4g/dt4 = g(t). Show that the above are solutions of the given differential

g(t) = cos(t) + 2 sin(t) - 3et is a solution of d4g/dt4 = g(t).
Show that the above are solutions of the given differential equation.

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