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Popular >

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

Solution

expand

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

Solution

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

Solution steps

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

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

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

Expand

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

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

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Frequently Asked Questions (FAQ)

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