在复平面内,复数
(
为虚数单位)的共轭复数
对应点为
,点
关于原点
的对称点为
,求:
(1)点
所在的象限;
(2)向量
对应的复数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92d00a11c50d7fc99df35bf199c2e4b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68628a408537b1cf3bf1ca2a69731b6.png)
更新时间:2017-07-24 09:27:30
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【推荐1】已知复数
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【推荐2】已知
,复数
(其中
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(2)若复数
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(1)当实数m取何值时,复数z是纯虚数;
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【推荐1】如图,在复平面内,复数
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/2/bb76ae69-8c2d-43a9-8bfb-2851ecadc2a4.png?resizew=215)
(1)写出复数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de971553ea8a66d7849b138a4a0625c5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed1b01b90a33e2a0e3e25ed11708610.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
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【推荐2】(1)已知复数
在复平面内对应的点分别为
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c59c8177542f19a07eaf51ad7c27e23.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)已知复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1367f11b4c21128f307c979463b2ab.png)
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【推荐1】如图所示,平行四边形OABC的顶点O,A,C对应的复数分别为0,3+2i,-2+4i.求:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/9/661df141-c09c-40af-8dd4-3761e98fa9a0.png?resizew=186)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef2723673c90347f6dd58346278c7fa.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbaeae7045ad94158cdf5ae97073bc17.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
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【推荐2】在复平面内,复数
,
对应的点分别为(1,-2),
,
,且
为纯虚数.
(1)求a的值;
(2)若
的共轭复数
是关于
的方程
的一个根,求实数
,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
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