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

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

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

expand

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

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

Solution steps

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

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

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

A (4, - 1) B (2, 3) C (2, 3)

\frac{6 s ^{2} + 50}{( s + 3 ) ( s + 4 )}

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

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

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

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