解题方法
1 . 设复数
,
,其中
.
(1)若复数
为纯虚数,求
的值;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef015c99536d13f1386bbb9a1dcaecea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a91698de7bf67445e97906be340f142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b5b9af2c3d4abeba615fe01211c6150.png)
(1)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e1c0cc2645a305791555f32b04692d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e133ed897e13d48ae11c4719297907f.png)
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名校
2 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52210a3e4513ac294d4e6d19bb958b89.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d971e248bd035650f7fc77adaea2ba1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52210a3e4513ac294d4e6d19bb958b89.png)
您最近一年使用:0次
2022-07-09更新
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1108次组卷
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6卷引用:陕西省西安市蓝田县2021-2022学年高二下学期期末文科数学试题