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

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

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

expand

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

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

Solution steps

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

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

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

\frac{( x + 3 ) ^{4} ( x + 5 ) ^{2}}{( x + 4 ) ( x + 1 )}

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

\frac{6 - 20 x}{15 x ( x + 1 )}

\frac{( 3 x + 2 ) ^{2}}{9}

\frac{2 x ^{2} - 9 x - 35}{( x + 1 ) ( x - 2 ) ( x + 3 )}

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