化简 (10+8i)/(-4i)

解答

化简

\frac{10 + 8 i}{- 4 i}

- 2 + \frac{5}{2} i

求解步骤

\frac{10 + 8 i}{- 4 i}

乘以共轭根式

\frac{- i}{- i}

= \frac{( 10 + 8 i ) ( - i )}{- 4 i ( - i )}

化简

\frac{( 10 + 8 i ) ( - i )}{- 4 i ( - i )} : \frac{- 10 i + 8}{- 4}

= \frac{- 10 i + 8}{- 4}

Rewrite in standard complex form:

- 2 + \frac{5}{2} i

= - 2 + \frac{5}{2} i

\frac{x}{5} = - 3

10000 > 5500 (1 + \frac{0.3}{100})^{t}

- 3 (x + 7) = 18

s im pl i f y (2 y^{4})^{- 3}

- 3 g + 6 + 2 g = 15