What is inverse oflaplace 1/(s^2+2s+4) ?

The answer to inverse oflaplace 1/(s^2+2s+4) is e^{-t} 1/(sqrt(3))sin(sqrt(3)t)

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inverse oflaplace 1/(s^2+2s+4)

inverse laplace

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

e^{- t} \frac{1}{3} sin (3 t)

Solution steps

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

\frac{1}{s ^{2} + 2 s + 4} = \frac{1}{( s + 1 ) ^{2} + 3}

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

Apply inverse transform rule:

L^{- 1} {F (s)} = f (t)

then

L^{- 1} {F (s - a)} = e^{a t} f (t)

For

\frac{1}{( s + 1 ) ^{2} + 3} : a = - 1, F (s) = \frac{1}{s ^{2} + 3}

= e^{- t} L^{- 1} {\frac{1}{s ^{2} + 3}}

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

= e^{- t} \frac{1}{3} sin (3 t)

\int_{- 2}^{- 1} (\frac{2}{x ^{2}}) d x

f (x) = (2 x^{3} + 5)^{10}

\frac{d}{d x} (e^{l n (2 x)})

\int \frac{1}{x ^{2} + d ^{2}} d x

\int x sin (π) x d x

What is inverse oflaplace 1/(s^2+2s+4) ?
The answer to inverse oflaplace 1/(s^2+2s+4) is e^{-t} 1/(sqrt(3))sin(sqrt(3)t)