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

The solution to expand (2s)/((s^2+1)^2(s+1)) is (2s)/(s^5+s^4+2s^3+2s^2+s+1)

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

expand

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

\frac{2 s}{s ^{5} + s ^{4} + 2 s ^{3} + 2 s ^{2} + s + 1}

Solution steps

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

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

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

Expand

(s^{4} + 2 s^{2} + 1) (s + 1) : s^{5} + s^{4} + 2 s^{3} + 2 s^{2} + s + 1

= \frac{2 s}{s ^{5} + s ^{4} + 2 s ^{3} + 2 s ^{2} + s + 1}

e^{x} (ln (x) + \frac{1}{x})

(3 x^{2} - \frac{1}{x})^{15}

\frac{2 x ^{3} - 4 x ^{2} - 12 x + 3}{( x - 1 ) ^{2}}

\frac{x + 11}{( x - 2 ) ( x + 7 )}

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

What is expand (2s)/((s^2+1)^2(s+1)) ?
The solution to expand (2s)/((s^2+1)^2(s+1)) is (2s)/(s^5+s^4+2s^3+2s^2+s+1)