计算(1+2i)/(3-4i)
问题描述:
计算(1+2i)/(3-4i)
答
(1+2i)/(3-4i) =(1+2i)*(3+4i)/ (3-4i)*(3+4i)=(10i-5)/25=(2i-1)/5
计算(1+2i)/(3-4i)
(1+2i)/(3-4i) =(1+2i)*(3+4i)/ (3-4i)*(3+4i)=(10i-5)/25=(2i-1)/5