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

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

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

expand

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

\frac{2}{e ^{s} s ^{2} - 3 e ^{s} s + 2 e ^{s}}

Solution steps

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

Expand

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

= \frac{2}{e ^{s} s ^{2} - 3 e ^{s} s + 2 e ^{s}}

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