What is expand (3e^{-s}-3s^{-2s})/(s(s^2-1)) ?

The solution to expand (3e^{-s}-3s^{-2s})/(s(s^2-1)) is (3e^{-s}-3s^{-2s})/(s^3-s)

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expand (3e^{-s}-3s^{-2s})/(s(s^2-1))

expand

\frac{3 e ^{- s} - 3 s ^{- 2 s}}{s ( s ^{2} - 1 )}

\frac{3 e ^{- s} - 3 s ^{- 2 s}}{s ^{3} - s}

Solution steps

\frac{3 e ^{- s} - 3 s ^{- 2 s}}{s ( s ^{2} - 1 )}

Expand

s (s^{2} - 1) : s^{3} - s

= \frac{3 e ^{- s} - 3 s ^{- 2 s}}{s ^{3} - s}

(3 sin (x) + cos (x))^{2}

(tan (4 x) - tan (x)) \cdot (cos (5 x) + cos (3 x))

\frac{2 x ( x ^{2} - 12 )}{( x ^{2} + 4 ) ^{3}}

(1 + 2 i)^{10}

\frac{n ( n + 1 ) ( 2 n + 1 )}{6}

What is expand (3e^{-s}-3s^{-2s})/(s(s^2-1)) ?
The solution to expand (3e^{-s}-3s^{-2s})/(s(s^2-1)) is (3e^{-s}-3s^{-2s})/(s^3-s)