What is inverse oflaplace 3/s+8/(s(s+1)) ?

The answer to inverse oflaplace 3/s+8/(s(s+1)) is 11\H(t)-8e^{-t}

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inverse oflaplace 3/s+8/(s(s+1))

inverse laplace

\frac{3}{s} + \frac{8}{s ( s + 1 )}

11 H (t) - 8 e^{- t}

Solution steps

L^{- 1} {\frac{3}{s} + \frac{8}{s ( s + 1 )}}

Take the partial fraction of

\frac{8}{s ( s + 1 )} : \frac{8}{s} - \frac{8}{s + 1}

= L^{- 1} {\frac{3}{s} + \frac{8}{s} - \frac{8}{s + 1}}

Use the linearity property of Inverse Laplace Transform:

For functions

f (s), g (s)

and constants

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{3}{s}} + L^{- 1} {\frac{8}{s}} - L^{- 1} {\frac{8}{s + 1}}

L^{- 1} {\frac{3}{s}} : 3 H (t)

L^{- 1} {\frac{8}{s}} : 8 H (t)

L^{- 1} {\frac{8}{s + 1}} : 8 e^{- t}

= 3 H (t) + 8 H (t) - 8 e^{- t}

Refine

3 H (t) + 8 H (t) - 8 e^{- t} : 11 H (t) - 8 e^{- t}

= 11 H (t) - 8 e^{- t}

\frac{d}{d x} (7 x + 5)

(x^{0.5} + 4) (x^{2} + x)

\int (1 + x)^{14} d x

\frac{d}{d x} (sin (1 + x^{2}))

What is inverse oflaplace 3/s+8/(s(s+1)) ?
The answer to inverse oflaplace 3/s+8/(s(s+1)) is 11\H(t)-8e^{-t}