若复数
与它的共轭复数
所对应的向量互相垂直,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb31ae7277a6bb79d80b08f6d31f7d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
20-21高一下·浙江·期末 查看更多[7]
(已下线)【新东方】双师301高一下云南省梁河县第一中学2020-2021学年高一下学期期中考试数学试题 (已下线)考点19 平面向量的数量积及向量的应用-备战2022年高考数学(文)一轮复习考点帮吉林省长春市第二实验中学“BEST合作体”2020-2021学年高一下学期期末考试数学试题河南省郑州市巩义、中牟、登封等六县2021-2022学年高一下学期期末测评数学试题辽宁省本溪市高级中学2020-2021学年高一下学期6月月考数学试题江苏省南京市中华中学2021-2022学年高一下学期期中数学试题
更新时间:2021-06-11 23:15:54
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【推荐1】已知向量
,且
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0da432a67671770224c6da21cc5dcd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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【推荐2】已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d436374b5e9eddce04eaf3d682f598b3.png)
是夹角为
的两个单位向量,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a22290b7839b472c022e535dc0c620.png)
,若
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d436374b5e9eddce04eaf3d682f598b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e10c17c706429f005f08cd9bdb7f30c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/260200d547998bcac50a4a491382e7f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a22290b7839b472c022e535dc0c620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3cee5f6be49f82180161007b31c5324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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【推荐1】将复数
对应的向量
绕原点按逆时针方向旋转
,得到的向量为
,那么
对应的复数是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b80360cbdda38f0745b998dfa872a73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6799b234237333b0efa331d98f0374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f6dd8a8809579f0b28a58c39381748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f6dd8a8809579f0b28a58c39381748.png)
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【推荐2】若复平面内点M、N分别对应复数
和
,则向量
的模长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95423c449f5d44dd949bf3b0130946f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/504d697ed8939aa65a141b41938ab19b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd4b9ad667f6da79bc3a5737cbc1eee.png)
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