已知复数
满足
(
为虚数单位).
(1)求
.
(2)若复数
满足
,求复数
对应点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3278ce02154df8f56df74551e061c3bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d461035f4b7dce2b995e5feb1c531dda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2e81521fc8e5fa253ba80fc764529d8.png)
更新时间:2021-09-12 11:27:08
|
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解答题-问答题
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解题方法
【推荐1】已知复数
,且
是纯虚数.
(1)求复数
及
;
(2)若复数
在复平面内对应的点在第四象限,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f629dc474233bee49b6fc5b0f1991462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615169b1020b5d9e500acbe1981efec2.png)
(1)求复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0584993cfa0801d603ffca041ecf3f.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a1509c4b19a7e43b7d472d076afd9f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐2】已知
,
,
,且
.
(1)求实数m,n的值;
(2)设复数
满足
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7be38b3685bad607f0951b3fe0c86dfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/784d0e27b17eb09b36483a54789ce76e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26927f1f0be044942dfce30c3607158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9de59a6da1ee210ccf04651ae53275dd.png)
(1)求实数m,n的值;
(2)设复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef696d6c93ef43cb419bcfc12e454364.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d461035f4b7dce2b995e5feb1c531dda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de971553ea8a66d7849b138a4a0625c5.png)
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解题方法
【推荐1】已知两个复数集合
,
.
(1)若
,求
的取值范围;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f908472ecfaa8060b43c4fda80bc8bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c720e887b0fc92308132ab288f78fc.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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解题方法
【推荐2】如图,在复平面
中,平行四边形
的顶点
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/98efbf3a-d932-4a8b-95dc-4ac0ae3dda30.png?resizew=161)
(1)求点
对应的复数;
(2)记点
,
,
对应的复数分别为
,
,
.
①若
,求复数
;
②若复数
满足
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ceec39aaaccbeaac9a4a5bdbb0f0e9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33f9283c71dafdd292ae615c735bcf08.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/98efbf3a-d932-4a8b-95dc-4ac0ae3dda30.png?resizew=161)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)记点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/0a67a742d2a43e907fb1c3a1bdf1d6a9.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3594b3195943d5b87e4e622cf6d0640.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
②若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843c531f403adf796fe8350e2f419c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1af159e78033bc114e43eea9c14f62ed.png)
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解题方法
【推荐1】实数
取何值时,复数
是
(1)实数?
(2)虚数?
(3)纯虚数?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8bf3263b641f23809564fe2df6e42e.png)
(1)实数?
(2)虚数?
(3)纯虚数?
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【推荐2】设
为坐标原点,已知向量
,
分别对应复数
,
,且
,
,
,若
可以与任意实数比较大小,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a72ff93c6b79f395aabb9f25e45203d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95985232e68bbf4e37f147d89efbfed6.png)
![](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/e51a900aa3fcb3e1a4d6c132e6dc1259.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34b88f343ca5a4c29057465541b9cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d99605a81527ce40a7489a5052a79295.png)
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