在平面直角坐标系
中,
为坐标原点,定义
、
两点之间的“直角距离”为
,已知
,点
为直线
上的动点,则
的最小值为_______________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f2beb91f10d2d8f2aa0dcc3f5cd1598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d52d2137557ad1b1a1ec88d274b28d6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/915eb6c46e154a6358c200f7fd1438b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f06ae2c9056cc06efeac14c8b2c66d78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a27955d8c9eba3607be250618acaca98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df590c3455ffa5855752abbf6342f929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9993aff813428599dd531ef31432cab.png)
12-13高二上·江苏扬州·期中 查看更多[2]
更新时间:2016-12-01 12:47:51
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【知识点】 绝对值的三角不等式应用解读
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