展开 1/((Ax^2+1)x^2)

解答

展开

\frac{1}{( A \cdot x ^{2} + 1 ) \cdot x ^{2}}

\frac{1}{A x ^{4} + x ^{2}}

求解步骤

\frac{1}{( A x ^{2} + 1 ) x ^{2}}

乘开

(A x^{2} + 1) x^{2} : A x^{4} + x^{2}

= \frac{1}{A x ^{4} + x ^{2}}

\frac{d}{d t} ((a (t)) (a (t)^{4} + t^{4} - 6 a (t)^{2} t))

e x p an d \frac{j + 2}{( - 2 + j ) ( j - 1 ) ( j ^{2} + 2 j + 5 )}

e x p an d (3^{^{'}} x^{2^{^{'}}} - 6 x + 4) (- 2 x^{2} + 7 x + 5)^{^{'}}

e x p an d \frac{( 3 + 9 x )}{( 1 + x ) ( 3 + 5 x )}

s im pl i f y 3 2 e^{(a + b) i} - 5 i