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

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

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

expand

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

\frac{e ^{- x}}{x ^{3} + x}

Solution steps

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

Expand

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

= \frac{e ^{- x}}{x ^{3} + x}

(x - i y)^{4}

\frac{- 6}{2 x - 1}

(2 sin (x) + 1) (sin (x) + 1)

cos^{2} (t) - sin^{2} (t) u (t - π)

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

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