在双曲线
,
为左焦点,M、N为双曲线上关于原点对称的两点,且
,若
,则该双曲线的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3678ba72def0a5e7111722273fd874f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/350843f3e35a78bbf6b93d5dfc42bc83.png)
更新时间:2020-05-05 17:03:24
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【推荐1】若三个点
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:
上,则双曲线
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【推荐2】已知双曲线
的左、右焦点分别为
、
,过点
作直线交双曲线
于点
、
,连接
(
为坐标原点)并延长交双曲线
于点
.若
,且
,则四边形
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【推荐1】已知双曲线
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解题方法
【推荐2】已知双曲线
,直线
过双曲线
的右焦点且斜率为
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与双曲线
的两条渐近线分别交于
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点在
轴下方),且
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