展开 ((2-5s))/((s-6)(s^2+11))

解答

展开

\frac{( 2 - 5 s )}{( s - 6 ) ( s ^{2} + 11 )}

\frac{2 - 5 s}{s ^{3} + 11 s - 6 s ^{2} - 66}

求解步骤

\frac{2 - 5 s}{( s - 6 ) ( s ^{2} + 11 )}

乘开

(s - 6) (s^{2} + 11) : s^{3} + 11 s - 6 s^{2} - 66

= \frac{2 - 5 s}{s ^{3} + 11 s - 6 s ^{2} - 66}

e x p an d \frac{( 3 yz - 5 x ) ^{2}}{225}

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e x p an d 2 π (6 x + 3) 37