展开 (2x+3)/((x-2)^2)

解答

展开

\frac{2 x + 3}{( x - 2 ) ^{2}}

\frac{2 x + 3}{x ^{2} - 4 x + 4}

求解步骤

\frac{2 x + 3}{( x - 2 ) ^{2}}

(x - 2)^{2} = x^{2} - 4 x + 4

= \frac{2 x + 3}{x ^{2} - 4 x + 4}

s im pl i f y z^{2} - (i + 2 e^{i θ}) \cdot z + e^{2 \cdot i \cdot θ} + i \cdot e^{i \cdot θ}

e x p an d (x^{2} + 4 x + 3)^{8}

e x p an d \frac{( - 1 ) ^{n} ( - π ^{2} n ^{2} + 6 )}{n ^{3}}

e x p an d \frac{x}{( x y + 1 ) ( x ^{2} + 1 )}

e x p an d (\frac{4}{( 3 - 5 ) ^{2}})^{2}