已知两个定点A、B,
,点P为动点,
,求动点P的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6816952bc36e337bd95d58d0a79bf7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c59e25f0d9a4e47298b155c8bae1bed.png)
更新时间:2023-02-07 11:05:45
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【知识点】 轨迹问题——圆
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【推荐1】已知点
,动点P满足
.
(1)求动点P的轨迹方程:
(2)若动点Q满足
,求动点Q的轨迹方程;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3730c232052c852147692372ee48e906.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab34ce6cee0673ab0d37b660d57bc07.png)
(1)求动点P的轨迹方程:
(2)若动点Q满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1361d4080c8df70c72ea85efb77f7905.png)
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【推荐2】已知点
在圆
上运动,
点坐标为
.
(1)求线段
中点的轨迹方程;
(2)若直线
与坐标轴交于
两点,求
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92781b69ae4064826dc6a2691449515b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd243fab0af865af67a2ab817e909cf5.png)
(1)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0497127048425de426219514dcce135.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
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