2013·山东济南·一模
名校
1 . 如图,椭圆
的离心率为
,
轴被曲线
截得的线段长等于
的短轴长.
与
轴的交点为
,过坐标原点
的直线
与
相交于点
,直线
分别与
相交于点
.
![](https://img.xkw.com/dksih/QBM/2017/4/21/1670360533016576/1670724360667136/STEM/96d51ca9bc8340d2831539a387c73316.png?resizew=146)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4436bbdca5eab3e8f58338f9e5fe7e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6e671afd184e7bb84266ab42357ebbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03df57efff473b3cfeb8503796b7d6b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a51949f48ee8cf746851ba779b078e.png)
![](https://img.xkw.com/dksih/QBM/2017/4/21/1670360533016576/1670724360667136/STEM/96d51ca9bc8340d2831539a387c73316.png?resizew=146)
(1)求、
的方程;
(2)求证:;
(3)记的面积分别为
,若
,求
的最小值.
您最近一年使用:0次
2016-12-03更新
|
963次组卷
|
5卷引用:2013届山东省莱芜市莱芜二中高三4月模拟考试理科数学试卷
(已下线)2013届山东省莱芜市莱芜二中高三4月模拟考试理科数学试卷(已下线)2013-2014学年山东省高二暑假作业数学试卷三2015届山东省实验中学高三6月份模拟考试理科数学试卷2015-2016学年江西高安中学高二重点上期中文数学卷2016-2017学年湖北省武汉市第二中学高二下学期期中考试数学(理)试卷
11-12高三下·山东潍坊·假期作业
解题方法
2 . 已知椭圆
的左、右焦点分别为
、
, 点
是椭圆的一个顶点,
是等腰直角三角形.
(Ⅰ)求椭圆的方程;
(Ⅱ)过点
分别作直线
,
交椭圆于
,
两点,设两直线的斜率分别为
,
,且
,证明:直线
过定点
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](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/15ed90ebf0061c8a79beed307fc1719a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08f9a699aededce0ad803bf8257fbbcb.png)
(Ⅰ)求椭圆的方程;
(Ⅱ)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.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/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b1bd378406bcd8156a56469f9300f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ebf12be9314c6bfb2bbf13b7bfcceb.png)
您最近一年使用:0次