名校
1 . 如图所示,椭圆
的离心率
,左焦点为
,
,
,
分别为左顶点、上顶点和下顶点,直线
与
交于点
,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/2303ab35-2c0f-40a5-bd4b-785784470708.png?resizew=193)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c7316976a221c051a2c14df80b1347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd83d64a2db079482e35c2bce8ef0fb0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/2303ab35-2c0f-40a5-bd4b-785784470708.png?resizew=193)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-09-24更新
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3卷引用:内蒙古赤峰二中2021-2022学年高二上学期第一次月考数学(理)试题