名校
1 . 设双曲线
的中心为点
,若直线
和
相交于点
,直线
交双曲线于
,直线
交双曲线于
,且使
则称
和
为“
直线对”.现有所成的角为60°的“
直线对”只有2对,且在右支上存在一点
,使
,则该双曲线的离心率的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3637509fd0c15e93a697a1ecd4d41a06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9170eff5345d2b8d3dd4ee0ae2d747e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74471a0b4af9a2064b59de97b15614c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a3c05e02c19123a6aa9ee8f0bb382c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a3c05e02c19123a6aa9ee8f0bb382c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b6adab224b9e3552b032249e6149671.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-12-14更新
|
664次组卷
|
7卷引用:重庆一中2017-2018学年高二上学期期中考试数学(理)试卷
重庆一中2017-2018学年高二上学期期中考试数学(理)试卷安徽省定远重点中学2018-2019学年高二上学期期中考试数学(理)试题(已下线)黄金30题系列 高二年级数学(理) 小题易丢分(已下线)黄金30题系列 高二年级数学江苏版 小题易丢分(已下线)黄金30题系列 高二年级数学(文) 小题易丢分安徽省滁州市民办高中2019-2020学年高二下学期期末数学(理)试题(已下线)第十单元 计数原理(B卷 滚动提升检测)-2021年高考数学(理)一轮复习单元滚动双测卷
2 . 如图所示,直线
与双曲线
及其渐近线依次交于
、
、
、
四点,记
.
![](https://img.xkw.com/dksih/QBM/2016/2/17/1572487760961536/1572487767015424/STEM/d6db5c1e7530464abd37ce7deb8c4c4b.png)
(Ⅰ)若直线
的方程为
,求
;
(Ⅱ)请根据(Ⅰ)的计算结果猜想
的关系,并证明之.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8f6659cb32b270ba11718fb1e707b83.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec9f01a2cc677719a7bea57e0a60b043.png)
![](https://img.xkw.com/dksih/QBM/2016/2/17/1572487760961536/1572487767015424/STEM/d6db5c1e7530464abd37ce7deb8c4c4b.png)
(Ⅰ)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31c4f39399ec245a67db2933ed639f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01a5ae5f5e500fa18b7f1f67093cb952.png)
(Ⅱ)请根据(Ⅰ)的计算结果猜想
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b710568224ed66434d82de3bdc4ffd4.png)
您最近一年使用:0次