What is the solution for y^{''}+11y^'+18y=0,y(0)=1,y^'(0)=0 ?

The solution for y^{''}+11y^'+18y=0,y(0)=1,y^'(0)=0 is y=(1+2/7)e^{-2t}-2/7 e^{-9t}

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y^{''}+11y^'+18y=0,y(0)=1,y^'(0)=0

y^{^{''}} + 11 y^{^{'}} + 18 y = 0, y (0) = 1, y^{^{'}} (0) = 0

y = (1 + \frac{2}{7}) e^{- 2 t} - \frac{2}{7} e^{- 9 t}

Solution steps

y^{''} (t) + 11 y^{'} (t) + 18 y = 0

Solve linear ODE:

y = (1 + \frac{2}{7}) e^{- 2 t} - \frac{2}{7} e^{- 9 t}

y = (1 + \frac{2}{7}) e^{- 2 t} - \frac{2}{7} e^{- 9 t}

What is the solution for y^{''}+11y^'+18y=0,y(0)=1,y^'(0)=0 ?
The solution for y^{''}+11y^'+18y=0,y(0)=1,y^'(0)=0 is y=(1+2/7)e^{-2t}-2/7 e^{-9t}