动圆与x轴相切,且被直线
所截得的弦长为2,则动圆圆心的轨迹方程是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
更新时间:2022-09-07 10:34:56
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