解题方法
1 . 已知
.
(1)求复数
在复平面内的对应点的轨迹;
(2)求
为何值时
有最小值,并求出
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54626fc30ef9637c24782ca430525b1c.png)
(1)求复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de971553ea8a66d7849b138a4a0625c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de971553ea8a66d7849b138a4a0625c5.png)
您最近一年使用:0次
2 . 已知
为虚数单位,
,复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97411964352989ea9a9f818966443943.png)
,若
为负实数,则
的取值集合为
![](https://img.xkw.com/dksih/QBM/2017/4/14/1665420741574656/1665722038542336/STEM/f9aaefaadca34dc69a76d93e56aa83e1.png?resizew=9)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97411964352989ea9a9f818966443943.png)
![](https://img.xkw.com/dksih/QBM/2017/4/14/1665420741574656/1665722038542336/STEM/f9aaefaadca34dc69a76d93e56aa83e1.png?resizew=9)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-04-14更新
|
838次组卷
|
3卷引用:2017届江西省吉安一中、九江一中等八所重点中学高三4月联考数学(理)试卷