What is expand (s-s*e^{-2pis})/((s^2+4)^2) ?

The solution to expand (s-s*e^{-2pis})/((s^2+4)^2) is (s-e^{-2pis}s)/(s^4+8s^2+16)

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expand (s-s*e^{-2pis})/((s^2+4)^2)

expand

\frac{s - s \cdot e ^{- 2 π s}}{( s ^{2} + 4 ) ^{2}}

\frac{s - e ^{- 2 π s} s}{s ^{4} + 8 s ^{2} + 16}

Solution steps

\frac{s - s e ^{- 2 π s}}{( s ^{2} + 4 ) ^{2}}

(s^{2} + 4)^{2} = s^{4} + 8 s^{2} + 16

= \frac{s - e ^{- 2 π s} s}{s ^{4} + 8 s ^{2} + 16}

\frac{1}{4} (e^{2 t} \cdot 2 t - e^{2 t})

\frac{( s + 5 )}{( s + 10 ) ^{2}}

3 (2 x \cdot e^{x} + e^{x} \cdot x^{2}) (e^{x} \cdot x^{3} + 3 x^{2} \cdot e^{x})

e^{x} (x y + y + y^{2})

5 (e^{(1 - 0.1 x)} + e^{(0.1 x - 1)})

What is expand (s-s*e^{-2pis})/((s^2+4)^2) ?
The solution to expand (s-s*e^{-2pis})/((s^2+4)^2) is (s-e^{-2pis}s)/(s^4+8s^2+16)