题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183829-35185.gif)
A.5 | B.3 | C.5或3 | D.6 |
答案
解析
核心考点
举一反三
已知直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183815-30415.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183815-30107.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183816-93404.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183816-40222.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183816-91541.gif)
(1)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183816-92111.gif)
(2)如果直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183816-57099.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183817-32010.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183817-32010.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183811-60633.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183811-86301.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183811-42478.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183811-11788.gif)
A.![]() | B.![]() |
C.![]() | D.![]() |
已知椭圆C的焦点F1(-
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183803-79994.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183803-79994.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183804-16534.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183804-20587.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183804-49013.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183804-37179.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183804-16534.gif)
设
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183750-77085.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183751-14277.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183751-49262.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183751-39526.gif)
(1)设椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183751-49262.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183751-47865.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183750-77085.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183751-14277.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183752-22314.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183751-49262.gif)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183752-95850.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183752-35009.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183752-71338.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183753-79077.gif)
(3)设点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183753-87352.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183751-49262.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183753-27270.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183753-50258.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183753-37019.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183754-96716.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183754-95050.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183754-45421.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183754-21150.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183755-42278.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183753-87352.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183755-74223.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183753-27270.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183745-17151.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183746-74513.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183746-41082.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183746-61989.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183746-34446.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183747-63785.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183747-14622.gif)
A.![]() | B.![]() | C.![]() | D.![]() |
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