黄金屋香港片剧情介绍:Moreover, if we multiply a real number a by a complex number x+iy,wegeta(x+iy)=ax+i(ay). In terms of points in the complex plane, we have that(x, y)is moved to(ax, ay), or to write it another way, a(x, y)=(ax, ay).15. Multiplication by i rotates a c...