1 . 已知
是虚数单位,设复数
.
(1)若
,求实数
的值;
(2)若
在复平面上对应的点位于右半平面(不包括虚轴),求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3353ec06c96321ad3de1e549e331e9d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/820f34601fa7d93caad88aceb5871b3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe615164ed2995bdeea0f5b0ba94231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-07-14更新
|
223次组卷
|
2卷引用:山东省潍坊市2022-2023学年高一下学期期末数学试题
解题方法
2 . 已知
,
,
,
是复平面内的四个点,其中
,且向量
对应的复数分别为
,且
.
(1)求
;
(2)若复数
,
,在复平面内对应的点
在第四象限,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/651c4b1b8f1f54f0af97107020acf253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02af485e17e7628fd5a3ace6e0a32ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f2b2e17012dad782bd12795cd27488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9473537c6729200445a9fc2df118e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26927f1f0be044942dfce30c3607158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf5e94340ba4bade26c9ed594e8873ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93776fd97fc34195c6035a9b9f7b384.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33f75825f71262f0afb626a16aa571f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf039c46a25e331446c6ee1e9af3c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
名校
解题方法
3 . 已知复数
,
,
,i为虚数单位.
(1)若
是纯虚数,求实数m的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1480f52e77baf7c12f11d6dcce591689.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3443f63986166f95e18cb4389d307957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34b88f343ca5a4c29057465541b9cf4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01a6707805b36c3528266ba2593183af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe615164ed2995bdeea0f5b0ba94231.png)
您最近一年使用:0次
2022-06-20更新
|
1452次组卷
|
8卷引用:山东省东营市2021-2022学年高一下学期期末数学试题
14-15高二上·山东威海·期末
名校
4 . 已知命题
:复数
,复数
,
是虚数;命题
:关于
的方程
的两根之差的绝对值小于
;若
为真命题,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2014/3/3/1571542211371008/1571542216613888/STEM/105277de66c84b0a8035fac7347bf31f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93a46bd26f75e61b5413ebf0d4055bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c045384af4b4c848658ba7a7878487f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34b88f343ca5a4c29057465541b9cf4.png)
![](https://img.xkw.com/dksih/QBM/2014/3/3/1571542211371008/1571542216613888/STEM/d3081e8785c945fbb8d70885f3ce6688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1202a0f3e2ffe982317a918029ca67b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ff8b7cd9cc0254768c35d2a23f631ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次