已知点
是双曲线
的右焦点,且过点
的直线
与此双曲线只有一个交点,则双曲线的方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c30fd97fafb3779aa4f4660f41e2939.png)
更新时间:2018-01-09 10:36:06
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【知识点】 根据直线与双曲线的位置关系求参数或范围
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【推荐1】过点
且方向向量为
的直线与双曲线
仅有一个交点,则实数
的值为__________ .
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【推荐2】若双曲线
的右支上存在两点
,
,使
为正三角形(其中
为双曲线右顶点),则离心率
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