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Beliebt Rechnen >

inverselaplace (2/s+1/(s^3))^2

Lösung

inverse laplace transformation

(\frac{2}{s} + \frac{1}{s ^{3}})^{2}

Lösung

4 t + \frac{2 t ^{3}}{3} + \frac{t ^{5}}{120}

Schritte zur Lösung

L^{- 1} {(\frac{2}{s} + \frac{1}{s ^{3}})^{2}}

Schreibe

(\frac{2}{s} + \frac{1}{s ^{3}})^{2}

um:

\frac{4}{s ^{2}} + \frac{4}{s ^{4}} + \frac{1}{s ^{6}}

= L^{- 1} {\frac{4}{s ^{2}} + \frac{4}{s ^{4}} + \frac{1}{s ^{6}}}

Wende die lineare Eigenschaftder inversen Laplace-Transformation an:

Für Funktionen

f (s), g (s)

und Konstanten

a, b : L^{- 1} {a \cdot f (s) + b \cdot g (s)} = a \cdot L^{- 1} {f (s)} + b \cdot L^{- 1} {g (s)}

= L^{- 1} {\frac{4}{s ^{2}}} + L^{- 1} {\frac{4}{s ^{4}}} + L^{- 1} {\frac{1}{s ^{6}}}

L^{- 1} {\frac{4}{s ^{2}}} : 4 t

L^{- 1} {\frac{4}{s ^{4}}} : \frac{2 t ^{3}}{3}

L^{- 1} {\frac{1}{s ^{6}}} : \frac{t ^{5}}{120}

= 4 t + \frac{2 t ^{3}}{3} + \frac{t ^{5}}{120}

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