已知i是虚数单位,且z=(1?i1+i)2014+i的共轭复数为.z,则z?.z等于(  )A.2B.1C.0D.-1

2025-06-27 23:40:25
推荐回答(1个)
回答1:

(

1?i
1+i
)2=
?2i
2i
=-1,∴z=(
1?i
1+i
2014+i=1+i,
z
=1-i.
z?
z
=(1+i)?(1-i)=2.
故选:A.