(2-i)z=1+i z=什么 急 怎么化简

2025-06-25 23:56:44
推荐回答(1个)
回答1:

(2-i)z=1+i
z=(1+i )/(2-i)
=(1+i)(2+i)/(4+1)
=(1+3i)/5
=1/5+3i/5