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1 . 已知双曲线
的渐近线方程为
,其右焦点
到渐近线的距离为
,点
为双曲线右支上一动点.
(1)求双曲线C的标准方程;
(2)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3051f43ac48c0a730a791b8a93ad37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24550b13dbecf7d86c7054250e987274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
(1)求双曲线C的标准方程;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b2bfb98862f33b23a35e24216e6f47.png)
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2022-01-24更新
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5卷引用:四川省资阳中学2021-2022学年高二下学期开学考试数学(文)试题