1 . 已知曲线
.
(1)若曲线C是椭圆,求m的取值范围.
(2)设
,曲线C与y轴的交点为A,B(点A位于点B的上方),直线
与曲线C交于不同的两点M,N.设直线AN与直线BM相交于点G.试问点G是否在定直线上?若是,求出该直线方程;若不是,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3867df0ec5cbe59e53ffcaabbe84ea9d.png)
(1)若曲线C是椭圆,求m的取值范围.
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711b21672fd907c5c92fee1d649e7003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b775e4e52620e32f713a0326776c842b.png)
您最近一年使用:0次
12-13高一上·北京·期末
名校
2 . 已知焦点在
轴上的椭圆
过点
,且离心率为
,
为椭圆
的左顶点.
(1)求椭圆
的标准方程;
(2)已知过点
的直线
与椭圆
交于
,
两点.
① 若直线
垂直于
轴,求
的大小;
② 若直线
与
轴不垂直,是否存在直线
使得
为等腰三角形?如果存在,求出直线
的方程;如果不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e6a4151bdfef00fd5c6b11602f88de.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)
① 若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8da0b4983cd7829c7317d0739ceb0fb.png)
② 若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74e9abe19caaf6c304bc7ba750baf1ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2016-12-02更新
|
1281次组卷
|
5卷引用:2011-2012学年北京市海淀区高三上学期期末考试理科数学
(已下线)2011-2012学年北京市海淀区高三上学期期末考试理科数学(已下线)2011-2012学年北京市育园中学高一第一学期期末考试数学(已下线)2013届福建省三明一中、二中高三上学期期末联考理科数学卷河北省承德市双滦区实验中学2024届高三上学期12月月考数学模拟试题(1)黑龙江省鸡西市第十九中学2023-2024学年高二上学期期中数学试题