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

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

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

expand

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

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

Solution steps

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

Expand

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

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

(x - 1) y^{''} (x) - x y^{'} (x) + y

\frac{x \cdot ( 48 - 8 x )}{3}

(2 \cdot (- 2, 3) + (3, - 2)) \cdot (3 \cdot (3, - 2) + (- 2, 3))

\frac{d ^{2}}{d x ^{2}} ((y (t, x)) (t^{3} + 1))

x (8 x - 4 y - 3 z = 14)

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