题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004550-50696.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004550-12309.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004550-91793.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004551-43026.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004551-32882.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004551-18822.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:因为
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004551-32882.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004552-38921.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004553-30121.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004553-16979.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004553-69281.png)
点评:椭圆中基本量之间的关系要准确掌握,灵活应用,离心率的求解是考查的重点.
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004543-93713.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004544-83436.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004538-91919.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004538-43994.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004539-80604.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004539-41442.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004539-35313.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004539-39123.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004540-60736.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004540-63582.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004531-11672.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004532-78322.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004532-19467.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004532-38297.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004533-11275.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004532-19467.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004525-15402.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004526-66612.png)
A.![]() | B.![]() ![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
设点
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004508-15741.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004508-24702.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004509-42403.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004509-86161.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004509-86055.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004509-13657.png)
(Ⅰ)求曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004509-13657.png)
(Ⅱ)设
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004510-25920.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004510-96046.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004510-97320.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004509-13657.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004510-11337.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004511-55651.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004511-42358.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004510-97320.png)
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