What is expand (s+1)/((s^2+1)^3) ?

The solution to expand (s+1)/((s^2+1)^3) is (s+1)/(s^6+3s^4+3s^2+1)

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expand (s+1)/((s^2+1)^3)

expand

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

\frac{s + 1}{s ^{6} + 3 s ^{4} + 3 s ^{2} + 1}

Solution steps

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

(s^{2} + 1)^{3} = s^{6} + 3 s^{4} + 3 s^{2} + 1

= \frac{s + 1}{s ^{6} + 3 s ^{4} + 3 s ^{2} + 1}

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

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

(s^{2} + 1) (s^{2} + s + \frac{5}{4})

- 3^{2}

- 3^{3}

What is expand (s+1)/((s^2+1)^3) ?
The solution to expand (s+1)/((s^2+1)^3) is (s+1)/(s^6+3s^4+3s^2+1)