What is expand (2z+1)/(z(z^2+1)) ?

The solution to expand (2z+1)/(z(z^2+1)) is (2z+1)/(z^3+z)

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expand (2z+1)/(z(z^2+1))

expand

\frac{2 z + 1}{z ( z ^{2} + 1 )}

\frac{2 z + 1}{z ^{3} + z}

Solution steps

\frac{2 z + 1}{z ( z ^{2} + 1 )}

Expand

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

= \frac{2 z + 1}{z ^{3} + z}

2 x (a x) + 6 x^{2} (b x) + 12 x^{2} (c x)

(3 + 4 i)^{14}

3 (1 + \frac{4 y}{x} + \frac{4 y ^{2}}{x ^{2}})

y - 0.25 (sin (x) + cos (y))

(s + 2 + 2) (s + 2 - 2) (s + 1)

What is expand (2z+1)/(z(z^2+1)) ?
The solution to expand (2z+1)/(z(z^2+1)) is (2z+1)/(z^3+z)