展开 (s+1)/((s+2)(s+3))

解答

展开

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

\frac{s + 1}{s ^{2} + 5 s + 6}

求解步骤

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

乘开

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

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

e x p an d \frac{s - 1}{( s ^{2} - 2 s + 10 ) ( s + 2 )}

s im pl i f y 5 (sin (1) + cos (1) + x (cos (1) - sin (1)))

s im pl i f y (2 q + \frac{1000}{q ^{2}}) \cdot q

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

e x p an d 3216