解题方法
1 . 在平面直角坐标系中有两个定点
、
,若在
轴有一动点
,使得
值最小,此时
点坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28717bb9d78e2564be26774b5d120e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d598b53ebe67b3576315001138268eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3979f27823cdcba516dfa885d8afe19d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-11-07更新
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303次组卷
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2卷引用:重庆市国维外国语学校2020-2021学年高二上学期第一次月考数学试题