名校
解题方法
1 . 已知椭圆
:
的焦点在
轴上,且长轴长是短轴长的3倍,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/273cbb5d65e5076cab1839b4af207846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
A.椭圆![]() | B.椭圆![]() |
C.椭圆![]() ![]() | D.椭圆![]() ![]() |
您最近一年使用:0次
2022-11-23更新
|
793次组卷
|
4卷引用:安徽省亳州市蒙城第一中学东校区2022-2023学年高二上学期期中数学试题
2 . 已知椭圆
:
内一点
,直线
与椭圆
交于
,
两点,且点
是线段
的中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80b861ba40387cb2bcd04945f5a371a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97caea8ea20c118920d887d2ee9ac83d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.椭圆![]() ![]() ![]() |
B.椭圆![]() |
C.直线![]() ![]() |
D.![]() |
您最近一年使用:0次
2022-08-11更新
|
988次组卷
|
6卷引用:安徽省池州市青阳县第一中学2022-2023学年高二上学期11月期中考试数学试题
名校
解题方法
3 . 设
,
是椭圆
的左,右焦点,点
的坐标为
,则
的角平分线所在直线的斜率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c763113a1fc48e8acc83787b8cd24eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e501efaf72113fc8ee3d495004fa980.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94fe48bf7af022ecbbe13833fdcc2c8.png)
A.![]() | B.2 | C.![]() | D.![]() |
您最近一年使用:0次
2020-04-24更新
|
317次组卷
|
3卷引用:安徽省滁州市定远县育才学校2021-2022学年高三下学期期中考试数学(理)试题