名校
1 . 设复数
,
,其中
,且复数
所对应的点都在复平面第一象限内
(1)若
,求实数
的值;
(2)设
所对应的向量为
,若
共线,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/809611fd121b81127a63e28464d6cb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f28298199ad2d9cdd9611aae07608a82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcbca3478eae63853d2aab5332e2e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10613217fd433805b48ee695d9f0af49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a98c177bd8ccdbb5a7e956e5b81798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b2eb65eca846b2bbe431cd456bc29dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fc838e1477179b36ca7481ee2cc1e8.png)
您最近一年使用:0次
2022-06-20更新
|
380次组卷
|
4卷引用:吉林省长春市长春外国语学校2021-2022学年高一下学期期中数学试题
名校
解题方法
2 . (1)计算
;
(2)设复数
.(其中
),若
是纯虚数,且
在复平面内对应的点在直线
上,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ea41a55f3efd976b38b297863f0287.png)
(2)设复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829afd18b5b7de57ef9b49e0265a0cbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec04f844e8fd9d9b1ef835e23eaa54e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34b88f343ca5a4c29057465541b9cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0985b973395bcd371cd1e26d3fcd1c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f08fb0fd529af5bf8dc288f00702c5.png)
您最近一年使用:0次
2021-07-21更新
|
303次组卷
|
2卷引用:江苏省镇江市扬中市第二高级中学2020-2021学年高一下学期期末模拟数学试题
20-21高三下·浙江·期末
解题方法
3 . 在复平面中原点为O,已知A对应的复数为
,点B对应的复数为
,
,点C对应的复数为
,且
,且B,C均在实轴上方,
(1)求
的取值范围;
(2)当
时,P是线段
上的动点,求
的取值范围;
(3)求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f48d2b68f7480f35f9f2632564d1dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52bb069b71ff58af8b36823d1af6a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a67a742d2a43e907fb1c3a1bdf1d6a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86d2d17663db4e87a6bc187a43700924.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b87e8cdf5716e8c4aa29de4d4bd6d7b6.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223b6f16e1cdb3ab3d10905d7fa0a7bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73de3a47976a9e064dd7e3091894acc0.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b18c66c4e24d0475b2cd9ddc5e53540f.png)
您最近一年使用:0次
4 . 设复数
(
为虚数单位),则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb4f5aa90390177a30d4d26886c62ff3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.“![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2021-05-06更新
|
752次组卷
|
3卷引用:江苏省淮安市2021届高三下学期4月第二次适应性考试数学试题
江苏省淮安市2021届高三下学期4月第二次适应性考试数学试题(已下线)考点39 章末检测六-备战2022年高考数学一轮复习考点帮(新高考地区专用)【学科网名师堂】江苏省泰州市泰兴市第一高级中学2022届高三下学期阶段测试二数学试题