题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031429-44537.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031429-27394.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031430-20667.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031429-44537.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031430-50164.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031430-62624.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031430-39251.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031430-12622.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031431-82968.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031431-91285.png)
解析
试题分析:根据题意,作图像如下:
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031431-46978.jpg)
由已知得
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031431-95272.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031432-69875.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031432-30435.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031432-25430.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031432-35618.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031433-34760.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031433-80704.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031433-72503.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031433-32045.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031434-62418.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031434-46270.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031434-39646.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031434-36406.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031434-67493.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031435-17367.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031435-76595.png)
核心考点
试题【已知点、分别是双曲线的左、右焦点,过且垂直于轴的直线与双曲线交于、两点,若为锐角三角形,则该双曲线的离心率的取值范围是____________.】;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/20191024/20191024031422-28870.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031423-84607.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031423-65179.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031423-75459.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031418-75668.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031418-99066.png)
A.28 | B.22 | C.14 | D.12 |
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031402-77928.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031402-89828.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031402-77449.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031402-44841.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031402-34264.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031402-10525.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031403-92187.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031403-57848.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031347-75948.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031347-21846.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031347-95947.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031348-30726.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031348-25923.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031348-23587.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031348-54640.png)
A.-12 | B.-2 | C. 0 | D.4 |
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024031310-44119.png)
A.1 | B.![]() | C.2 | D.![]() |
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