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

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

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

expand

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

\frac{1}{a s ^{2}} - \frac{e ^{- a s}}{s - e ^{- a s} s}

Solution steps

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

Expand

s (1 - e^{- a s}) : s - e^{- a s} s

= \frac{1}{a s ^{2}} - \frac{e ^{- a s}}{s - e ^{- a s} s}

\frac{( a + b - 2 ab ) ( a + b )}{a - b}

\frac{x ( x + 1 )}{x + 4}

(a - b) (a - c) (a - d) (a - e)

\frac{( 6 k + 3 ) x ^{2} - k x - 1}{3 x - 1}

f (x) (x = x^{2} + 5)

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