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

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

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

expand

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

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

Solution steps

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

Expand

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

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

\frac{( x - 1 ) ( x + 1 )}{x + 2}

sin (x + \frac{π}{4})

(c - d) (e + f)

\frac{x ^{2} + x}{( 1 - x ) ^{3}}

\frac{2 cos ( z )}{( z - 3 ) ^{3}}

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