1 . 已知复数
,
是纯虚数,
是虚数单位.
(1)求复数
的共轭复数
;
(2)若复数
所表示的点在第二象限,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab27a7f885f15156390f8cb1a84bb534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e925d3f8a5a670503ff3f803979148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
(1)求复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac388c522921bc17d58a751f457dc4a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2019-09-08更新
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2卷引用:山东省日照市五莲县2019-2020学年高三上学期模块诊断性检测数学试题