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

The solution to expand 1/((s-2)^3(s-1)) is 1/(s^4-7s^3+18s^2-20s+8)

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

expand

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

\frac{1}{s ^{4} - 7 s ^{3} + 18 s ^{2} - 20 s + 8}

Solution steps

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

(s - 2)^{3} = s^{3} - 6 s^{2} + 12 s - 8

= \frac{1}{( s ^{3} - 6 s ^{2} + 12 s - 8 ) ( s - 1 )}

Expand

(s^{3} - 6 s^{2} + 12 s - 8) (s - 1) : s^{4} - 7 s^{3} + 18 s^{2} - 20 s + 8

= \frac{1}{s ^{4} - 7 s ^{3} + 18 s ^{2} - 20 s + 8}

l m (w x) - (3 x + 1) ln (x)

- 2 (x + ux) (u d x + x d u)

(e - e^{x})^{2}

8^{u (5 p + 4 q)}

\frac{e ^{\frac{x}{2}} ( x - 1 )}{4}

What is expand 1/((s-2)^3(s-1)) ?
The solution to expand 1/((s-2)^3(s-1)) is 1/(s^4-7s^3+18s^2-20s+8)