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Beliebt Rechnen >

y^{''}-8y^'-9y=21e^{2t}

Lösung

y^{^{''}} - 8 y^{^{'}} - 9 y = 21 e^{2 t}

Lösung

y = c_{1} e^{9 t} + c_{2} e^{- t} - e^{2 t}

Schritte zur Lösung

y^{''} (t) - 8 y^{'} (t) - 9 y = 21 e^{2 t}

Solve linear ODE:

y = c_{1} e^{9 t} + c_{2} e^{- t} - e^{2 t}

y = c_{1} e^{9 t} + c_{2} e^{- t} - e^{2 t}

Graph

Beliebte Beispiele

limit as x approaches 5-of 7/(x-5)

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\int \frac{3}{4} + \frac{4}{5} x^{2} - \frac{5}{6} x^{3} d x