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

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

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

inverse laplace

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

e^{- 2 t} t

Solution steps

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

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

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

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

= e^{- 2 t} t

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