名校
1 . 设椭圆
的左、右顶点分别为
,
,上顶点为B,右焦点为F,已知直线
的倾斜角为120°,
.
(1)求椭圆C的方程;
(2)设P为椭圆C上不同于
,
的一点,O为坐标原点,线段
的垂直平分线交
于M点,过M且垂直于
的直线交y轴于Q点,若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4c673efcda5d258eff5ece9e031438d.png)
(1)求椭圆C的方程;
(2)设P为椭圆C上不同于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c76916c6ff302cf4fb4b6ace5bb3a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc48974114e23f5a801843710c7ae21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07c2cc110e46ae4b3432814810e28bcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a52c17a41524894bb6932b11181e6e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc48974114e23f5a801843710c7ae21.png)
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2019-09-27更新
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2卷引用:天津市静海区第一中学2019-2020学年高二12月学生学业能力调研数学试题