写出一个同时具有下列性质①②的复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
______________ .
①
的实部小于0;②
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51efc90fa7c8b25593dcc3c0b5050c40.png)
更新时间:2022-07-02 13:50:12
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填空题-单空题
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适中
(0.65)
解题方法
【推荐1】设
,
,则“
、
中至少有一个数是虚数”是“
是虚数”的______ 条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4e2b866b0043a32fc78326553841d3.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
解题方法
【推荐2】关于
的方程
有实根,则纯虚数
为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e9bb481977aff49ecbabebd1bc7202c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐1】在复数范围内,给出下面3个命题:①
;②已知
、
、
,若
,则
;③z是纯虚数
.其中所有假命题的序号为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/581c5ffbf14faabe46dc23dc98f94ec5.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/2e67c2140a863cb96b9a5dfc2cb77e2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c099933bb2d5c426d107b5a53d75b8a1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f38189c1a573855db75c2c3751d36e1.png)
您最近一年使用:0次
填空题-双空题
|
适中
(0.65)
名校
解题方法
【推荐2】设复数
,则
=__________ .
=__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed3a7e1ea06b2eb0061ad24605eb7fdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31ad6e1b759c8bac2fc005cf47f2399.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc22a138dc656991fb233019f129089b.png)
您最近一年使用:0次