题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032032-65716.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032032-16818.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032032-59080.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032032-59080.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032032-68035.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032032-22810.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032032-25488.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032032-32751.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032033-80522.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032033-49426.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:双曲线渐近线为y=±
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032033-74758.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032034-79163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032034-42492.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032034-79163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032034-35059.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032034-92036.png)
因为
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032034-42492.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032034-35059.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032034-92036.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032034-79163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032034-79163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032034-79163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032033-49426.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032034-35376.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032035-43578.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032034-79163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032033-39656.png)
核心考点
试题【设双曲线的右焦点为,过点作与轴垂直的直线交两渐近线于A,B两点,与双曲线的其中一个交点为,设O为坐标原点,若 (),且,则该双曲线的离心率为( )A.B】;主要考察你对双曲线的定义与方程等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032024-79201.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032024-98745.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032024-15676.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032024-64135.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032025-99304.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032025-68338.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032016-54538.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032016-37877.png)
A.![]() | B.![]() | C.2 | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032005-50445.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032005-59643.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032005-53862.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032005-96573.png)
(1)求双曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032005-53862.png)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032006-28864.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032005-53862.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032006-98338.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032005-53862.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024032006-92690.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031956-80990.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031956-87692.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031956-51009.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031956-12281.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031957-28337.png)
A.![]() | B.2 | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031942-10594.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031942-25710.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031942-50043.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031943-97483.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031943-69848.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031943-83193.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031943-85973.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031943-29879.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031944-82267.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031944-55757.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031944-46747.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031944-52732.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031945-71955.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031945-66392.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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