已知复数
.
(1)若
,且
,求
的最小值;
(2)若
,
,且z在复平面内对应的点位于第二象限或第四象限,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f7e946a9fdde2b92c2dcc718b7f530d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eae9ba258299eb489b490594397e23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1af122bf6d30a5539d3f74131d8c6ac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de971553ea8a66d7849b138a4a0625c5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98e491d051da1135d61942904a2bc688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ea7c39d66ff8e5bb66a2976a99f698a.png)
更新时间:2022-04-28 12:14:13
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