已知点
,
,动点M满足
,则直线
被动点M的轨迹截得的弦长为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852b303689c31189cd47bb4a3220f9fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f244634b3bcb7eadea96276832129a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ea05a2396e436b4df62d6328dbeaddc.png)
更新时间:2022-02-15 12:26:53
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解题方法
【推荐1】若关于
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【推荐2】如图,
个半径为
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将
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【推荐2】已知直线
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