名校
1 . 已知向量
,
,
,
与
夹角为90°.
(1)若
,求k的值;
(2)设复数
且复数
满足
.在
最大时,求此时
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f4dcf415977dea53f52a85b6b82136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c3fba9d1aba797816245c525cb3540c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddf398307e8d9705492d79633e4c28c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae06ee69e928cfc1ee9e512b0b3dfad2.png)
(2)设复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e637068825a2b0fd653e3e8d2c33e30b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/138e8d88f7ca53fd4c0b7ffd6f98a969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de971553ea8a66d7849b138a4a0625c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ea3cc01ce7266cdf0fd73fd50d23c8.png)
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名校
解题方法
2 . 已知关于
的方程
(
)有实数根b.
(1)求实数
、
的值;
(2)若复数
满足
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a37e933e75eb062e7c14346573d0af7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d32d1a5a0732c7e4af737555e44ff9.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8aa0793118c802967b8e0eebfea55bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce48af55c99256efdc68fac0767d944c.png)
您最近一年使用:0次
2021-07-26更新
|
507次组卷
|
7卷引用:重庆市第一中学2020-2021学年高二下学期4月月考数学试题
重庆市第一中学2020-2021学年高二下学期4月月考数学试题人教A版(2019) 必修第二册 第七章 复数 单元测试(已下线)专题04 复数-2020-2021学年高一数学下学期期末专项复习(苏教版2019必修第二册)河北省唐山英才国际学校2021-2022学年高一下学期4月月考数学试题(已下线)第七章 复数【单元提升卷】-【满分全攻略】2022-2023学年高一数学下学期核心考点+重难点讲练与测试(人教A版2019必修第二册)(已下线)单元测试A卷——第七章 复数单元测试A卷——第七章 复数
名校
3 . 已知复数
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90dde54ef0a4f25fbd001f351e28b78c.png)
(1)求
的共轭复数
;
(2)复数
满足
,求
在复平面内对应点的集合所表示的图形面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adcc78b50e4eb2ef6076b0ef4fab732d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90dde54ef0a4f25fbd001f351e28b78c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adcc78b50e4eb2ef6076b0ef4fab732d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7359cd5390b336e0edd0be8af93b4ec9.png)
(2)复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20bb97ae72bedbafccb16d033835c5b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
您最近一年使用:0次
2021-08-04更新
|
109次组卷
|
2卷引用:重庆市实验中学2020-2021学年高一下学期第二阶段测试数学试题
名校
解题方法
4 . 若复数
满足:
(
为虚数单位),复数
的虚部为
.
(1)求
的模长;
(2)求
的最小值及此时的复数
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be577c72f03ed36786161a6f0579089.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66a40e2b6c49f849119ad4a3f2e79530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
您最近一年使用:0次