What is inverse oflaplace 1/(s(s^2+25)) ?

The answer to inverse oflaplace 1/(s(s^2+25)) is 1/25 \H(t)-1/25 cos(5t)

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inverse oflaplace 1/(s(s^2+25))

inverse laplace

\frac{1}{s ( s ^{2} + 25 )}

\frac{1}{25} H (t) - \frac{1}{25} cos (5 t)

Solution steps

L^{- 1} {\frac{1}{s ( s ^{2} + 25 )}}

Take the partial fraction of

\frac{1}{s ( s ^{2} + 25 )} : \frac{1}{25 s} - \frac{s}{25 ( s ^{2} + 25 )}

= L^{- 1} {\frac{1}{25 s} - \frac{s}{25 ( s ^{2} + 25 )}}

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{1}{25 s}} - L^{- 1} {\frac{s}{25 ( s ^{2} + 25 )}}

L^{- 1} {\frac{1}{25 s}} : \frac{1}{25} H (t)

L^{- 1} {\frac{s}{25 ( s ^{2} + 25 )}} : \frac{1}{25} cos (5 t)

= \frac{1}{25} H (t) - \frac{1}{25} cos (5 t)

y = 4 tan (x), at x = \frac{π}{3}

\frac{d}{d x} (\frac{h ( x )}{x}) x = 2

f (x) = \frac{1}{1 + x ^{2}}

\int \frac{4 x - 16}{x ^{2} - 8 x + 5} d x

\int \frac{3 y}{y ^{2} + z ^{2}} d y

What is inverse oflaplace 1/(s(s^2+25)) ?
The answer to inverse oflaplace 1/(s(s^2+25)) is 1/25 \H(t)-1/25 cos(5t)