已知双曲线
的渐近线与圆
相切,则双曲线的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76426b7e71f15f6e801b00d1f72b1030.png)
更新时间:2023-12-27 10:56:04
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【推荐1】双曲线
的两条渐近线夹角的余弦值等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f7be3e73c8da253fa3cb8a9c2d508a.png)
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名校
【推荐2】已知双曲线
,若抛物线
的焦点到双曲线
的渐近线的距离为
,则抛物线
的方程为_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9373ed257f417b493c489c8caeabeb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b47e9e00eba8623f7580d72bf615130.png)
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解题方法
【推荐1】设
,
是椭圆
与双曲线
(
,
)的公共焦点,曲线
,
在第一象限内交于点M,
,若椭圆的离心率
,则双曲线的离心率
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff8210484dd6815b5bebc7b22f1389cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ab2caccd742eb636bd8378661a8807.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b967232e28ad0d453adc66676bdf8b2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98f1ea30341eb5d584710c3aebc64ce8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74404619ad5699e6c44c947fb569600f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ec3537c9300e8b7a5c1eed6fb0b6e75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.png)
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【推荐2】设直线
:
与双曲线
:
的两条渐近线分别交于
,
两点,若线段
的中垂线经过双曲线
的右焦点
,则双曲线的离心率是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0536cdfb8de47dc5fadafec2159b6a90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50fe7ad2404879870c9bf18bf03fdf2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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