直线
(
,
)过圆
:
的圆心,则
的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/791b20d0c7dd7f8bfa8b832b165e77b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
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更新时间:2020-01-17 15:27:05
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