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

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

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

expand

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

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

Solution steps

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

Expand

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

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

(2 x + 2)^{8}

e^{x} (1 + e^{x})

\frac{2 s + 1}{( s + 3 ) ( s ^{2} + 4 s + 13 )}

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

(e^{x} - e^{- x}) (e^{y} + e^{- y})

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