展开 (x(s+2))/(s^3+10s^2)

解答

展开

\frac{x ( s + 2 )}{s ^{3} + 10 s ^{2}}

\frac{x s + 2 x}{s ^{3} + 10 s ^{2}}

求解步骤

\frac{x ( s + 2 )}{s ^{3} + 10 s ^{2}}

乘开

x (s + 2) : x s + 2 x

= \frac{x s + 2 x}{s ^{3} + 10 s ^{2}}

e x p an d \frac{7 - x ^{5}}{3}

s im pl i f y (1 + x + 2)^{2}

e x p an d x d x + sin^{2} (\frac{y}{x}) \cdot (y \cdot d x - x d y)

e x p an d (2 x^{\frac{1}{2}} - 3 z^{\frac{2}{3}})^{3}

e x p an d - \frac{h}{x ( x + h )}