设z=1+i(i是虚数单位),则 2 z 2 +z =______

设z=1+i(i是虚数单位),则 2 z 2 +z =______.
2025-06-22 07:52:51
推荐回答(1个)
回答1:

2
z 2
+z
=
2
(1+i) 2
+(1+i)
=
2
2i
+(1+i)=-i+(1+i)=1
故答案为:1