Find the general solution of {y}''-3y=8e^{3t}+4sin(t) .

Step-by-step explanation:

We are given that linear differential equation

Auxillary equation

C.F=

P.I=

P.I=

P.I= and where D square is replace by - a square

P.I=

Hence, the general solution

G.S=C.F+P.I

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