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解题方法
1 . 已知曲线
.
(1)求以坐标原点为顶点、以曲线
的焦点为焦点的抛物线的方程.
(2)求
与
的公切线被曲线
截得的弦的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34ca37e23d6888006efbecfb3973e459.png)
(1)求以坐标原点为顶点、以曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669e8dfb2b45e6f74d86408343a18fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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