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

The answer to inverse oflaplace (2s+1)/(s^2+1) is 2cos(t)+sin(t)

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

inverse laplace

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

2 cos (t) + sin (t)

Solution steps

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

Expand

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

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

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

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

= 2 cos (t) + sin (t)

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What is inverse oflaplace (2s+1)/(s^2+1) ?
The answer to inverse oflaplace (2s+1)/(s^2+1) is 2cos(t)+sin(t)