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/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1325c6fe42a9e5c04520d8a9bb6821b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09bfe93acc89b09a1e4603d35e1f41a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2442a318b33a4ee99ca57009c9a2ad1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc8e0a4e596e6b0a2f81e1f03fa0430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd96a03f85dd0aee189d9e3431ee22f2.png)
更新时间:2020-06-25 21:37:25
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