展开 (-S^3-S)/(4(S^4+S^2+4))

解答

展开

\frac{- S ^{3} - S}{4 ( S ^{4} + S ^{2} + 4 )}

\frac{- S ^{3} - S}{4 S ^{4} + 4 S ^{2} + 16}

求解步骤

\frac{- S ^{3} - S}{4 ( S ^{4} + S ^{2} + 4 )}

乘开

4 (S^{4} + S^{2} + 4) : 4 S^{4} + 4 S^{2} + 16

= \frac{- S ^{3} - S}{4 S ^{4} + 4 S ^{2} + 16}

e x p an d (x^{2} - x - e^{3 x})^{2}

s im pl i f y (x + 2 x) (x - 2 x)

s im pl i f y (e^{iπ x} - e^{- iπ x})^{2}

e x p an d N (- 5, - 1)

\frac{d ^{4}}{d x ^{4}} ((y) ((2 x + 1)^{4}))