展开 (k(s+1))/((s+2)(s+3))

解答

展开

\frac{k ( s + 1 )}{( s + 2 ) ( s + 3 )}

\frac{k s + k}{s ^{2} + 5 s + 6}

求解步骤

\frac{k ( s + 1 )}{( s + 2 ) ( s + 3 )}

乘开

(s + 2) (s + 3) : s^{2} + 5 s + 6

= \frac{k ( s + 1 )}{s ^{2} + 5 s + 6}

乘开

k (s + 1) : k s + k

= \frac{k s + k}{s ^{2} + 5 s + 6}

e x p an d \frac{2 x + b}{( x ^{2} + b x + c ) ^{2}}

e x p an d \frac{x ^{3}}{( x + 3 ) ^{2}}

e x p an d - e^{- 0.01 x - 0.01 h (x)} - 0.18 x - 0.18 h (x) + 7 - (f (x) = - e^{- 0.01 x} - 0.18 x + 7)

e x p an d \frac{( ( - 5 a ^{3} b + 2 x ^{2} y ) ^{6} - 1 )}{- 5 a ^{3} b + 2 x ^{2} y}

e x p an d \frac{3 ( x - 5 )}{x - 4}