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

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

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

expand

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

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

Solution steps

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

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

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

(- 2 + i)^{6}

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

\frac{0.84826 ( s - 2.1598 ) ( s + 0.1 )}{s}

x (x^{5} e^{13 x} + 4)

(cos (t) + i sin (t))^{2}

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