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###### Find yy as a function of tt if 3yâ€³+28y=0,3yâ€³+28y=0,y(0)=7,yâ€²(0)=5.y(0)=7,yâ€²(0)=5. y(t)=y(t)=

Find yy as a function of tt if 3yâ€³+28y=0,3yâ€³+28y=0,y(0)=7,yâ€²(0)=5.y(0)=7,yâ€²(0)=5. y(t)=y(t)=

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