名校
解题方法
1 . 已知椭圆
的左、右焦点分别为
,点
在
上,四边形
是等腰梯形,
,则
的离心率的
取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32954d76532bc9295524c016868eefd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a420888be997b25369fdeb74f503b6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-11-11更新
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827次组卷
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3卷引用:广西南宁市2023-2024学年高二上学期教学质量调研数学试题