设z=1+i(i是虚数单位),则 2 z 2 +z =______

日期:2016-11-30 23:47:39 人气:1

设z=1+i(i是虚数单位),则 2 z 2 +z =______

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