What is the solution for y^{''}+9y^'+20y=0 ?

The solution for y^{''}+9y^'+20y=0 is y=c_{1}e^{-4t}+c_{2}e^{-5t}

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y^{''}+9y^'+20y=0

y^{^{''}} + 9 y^{^{'}} + 20 y = 0

y = c_{1} e^{- 4 t} + c_{2} e^{- 5 t}

Solution steps

y^{''} (t) + 9 y^{'} (t) + 20 y = 0

Solve linear ODE:

y = c_{1} e^{- 4 t} + c_{2} e^{- 5 t}

y = c_{1} e^{- 4 t} + c_{2} e^{- 5 t}

What is the solution for y^{''}+9y^'+20y=0 ?
The solution for y^{''}+9y^'+20y=0 is y=c_{1}e^{-4t}+c_{2}e^{-5t}