若点P到直线
的距离等于到点
的距离,则点P的轨迹方程是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be92f0e0012a7696c78e3e00513edefd.png)
更新时间:2020-02-14 11:20:32
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