题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040253-17729.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040254-69605.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040254-44796.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:依题意设
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040255-75375.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040255-15091.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040255-78592.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040256-83857.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040256-92418.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040254-44796.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040256-23451.png)
核心考点
试题【已知向量,点P在轴上,取最小值时P点坐标是( )A.B.C.D.】;主要考察你对平面向量数量积的意义等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040248-14165.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040248-12101.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040248-15508.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040248-31682.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040248-14165.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040248-12101.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040249-46017.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040249-45769.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040242-41197.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040242-31267.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040243-29069.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040243-64702.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040243-45206.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040235-49740.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040235-46827.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040235-12907.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040236-49329.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040236-83811.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040236-50648.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040235-12907.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040230-61816.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040230-97509.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040230-20374.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040230-37688.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040230-20374.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040231-86559.png)
|
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040225-82469.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040225-45007.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040225-44419.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040225-34381.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040225-93415.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104040226-27114.png)
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