展开 ((s+5)k)/(1+ks^2+15ks+50k)

解答

展开

\frac{( s + 5 ) k}{1 + k s ^{2} + 15 k s + 50 k}

\frac{k s + 5 k}{1 + k s ^{2} + 15 k s + 50 k}

求解步骤

\frac{( s + 5 ) k}{1 + k s ^{2} + 15 k s + 50 k}

乘开

(s + 5) k : k s + 5 k

= \frac{k s + 5 k}{1 + k s ^{2} + 15 k s + 50 k}

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