过点
作圆
的切线
,已知
分别为切点,直线
恰好经过椭圆(中心在坐标原点,焦点在
轴上)的右焦点和下顶点,则椭圆的标准方程是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a160698d616be58188f274e9a25ba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
更新时间:2021-07-15 08:26:52
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