解题方法
1 . 已知对任意正实数m,n,p,q,有如下结论成立:若
,则有
成立,现已知椭圆
上存在一点P,
,
为其焦点,在
中,
,
,则椭圆的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4920b98f679bb35f615124a4cf7118c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22c0f708584f1a840157f68beafae80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e82fe25db889399bb3ca4ffd5dd5db84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a61d572ecf27dc02fcbd588f24647b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50504400cefbe49b3d2b7562e47b6dc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/227c54f632c85ac6d79db3124530bfa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4a4f9db92619e45a3cd8f3c306fd26.png)
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