设一元三次方程
的三根在复平面上所对应的点刚好组成一个正三角形.则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
_______ ,此正三角形面积为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ab77b3f7c93533b7fa2408aea7cb272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
2018高三·全国·竞赛 查看更多[1]
更新时间:2018-12-11 16:58:34
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【知识点】 复数与三角及复数与方程
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填空题-单空题
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适中
(0.65)
【推荐1】已知
,
在复平面上对应点分别为
,
,且
,
.则
,
与原点
所成的
面积等于________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/078a3806c400122d1a9f2c3b09c5c2b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cec245af5f4643cb0c41a7d12bb50d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45b8b000c9c286bff8a480dbf03b513.png)
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填空题-单空题
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适中
(0.65)
名校
【推荐2】设
,
是实系数一元二次方程
的两个根,若
是虚数,
是实数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afe0d9f750d033c3e0a075a9de8a584.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13fa32c1e926f40a0722d106563777ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0edcbcd6b9f70c7a8c72a0d233572d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afe0d9f750d033c3e0a075a9de8a584.png)
您最近一年使用:0次