展开 (dx)/(x^2(x^2-25))

解答

展开

\frac{d x}{x ^{2} ( x ^{2} - 25 )}

\frac{d x}{x ^{4} - 25 x ^{2}}

求解步骤

\frac{d x}{x ^{2} ( x ^{2} - 25 )}

乘开

x^{2} (x^{2} - 25) : x^{4} - 25 x^{2}

= \frac{d x}{x ^{4} - 25 x ^{2}}

e x p an d (6 c^{2} d - d^{2} e)^{2}

e x p an d \frac{y ^{8} + 2 y ^{4} + 1}{4 y ^{4}}

s im pl i f y e^{i t} (- i + 1)

e x p an d \frac{y ^{'} ( t )}{( m ( t ) - y ) ( y - m ( t ) )}

e x p an d 5 (2 x y^{2} + 2 y \frac{d}{d x} ((y) x^{2}))