Z=1-i (i为虚数单位)则Z方加Z分之二得多少阿

问题描述:

Z=1-i (i为虚数单位)则Z方加Z分之二得多少阿

z²+2/z
=(1-i)²+2/(1-i)
=1-2i-1+(2+2i)/2
=-2i+1+i
=1-i