展开 ((s-se^{-4s}-10))/((s^2*(s^2+2s)))

解答

展开

\frac{( s - s e ^{- 4 s} - 10 )}{( s ^{2} \cdot ( s ^{2} + 2 s ) )}

\frac{s - e ^{- 4 s} s - 10}{s ^{4} + 2 s ^{3}}

求解步骤

\frac{s - s e ^{- 4 s} - 10}{s ^{2} ( s ^{2} + 2 s )}

乘开

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

= \frac{s - e ^{- 4 s} s - 10}{s ^{4} + 2 s ^{3}}

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