题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201154-73789.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201157-91322.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201157-23547.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201157-70702.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201158-71193.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201156-76991.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201158-89689.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201158-27702.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201158-39132.gif)
(1)求椭圆方程并证明
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201157-12593.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201158-99139.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201155-13533.gif)
(2)试判断直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201159-27688.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201155-13533.gif)
![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201159-85633.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201159-87663.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201200-77938.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201200-21905.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201200-11981.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201200-98824.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201201-70747.gif)
(2)直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201201-99347.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201201-61411.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201201-14750.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201201-73136.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201202-56627.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201202-35995.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201202-76669.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201203-93293.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201158-71193.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201203-12987.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201158-71193.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201203-31034.gif)
令
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201203-67428.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201204-78727.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201204-22356.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201204-80975.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201159-27688.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201204-72538.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201201-99347.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201205-24949.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201205-51678.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201205-43731.gif)
且
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201157-12593.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201158-99139.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201155-13533.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201159-27688.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201155-13533.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201157-12593.gif)
核心考点
试题【如图,已知椭圆的长轴,离心率,为坐标原点,过的直线与轴垂直,是椭圆上异于的任意一点,,为垂足,延长至,使得,连接并延长交直线于,为的中点(1)求椭圆方程并证明点】;主要考察你对椭圆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/20191023/20191023201150-91753.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201150-76372.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201151-26242.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201151-20725.gif)
A.4 | B.5 | C.8 | D.10 |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201146-38386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201141-71030.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201141-39726.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201141-36014.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201129-19772.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201129-94070.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201130-38083.gif)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201119-87241.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201119-39744.gif)
(I)求椭圆的方程;
(II)若存在过点A(1,0)的直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201119-51449.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201119-51449.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201120-55746.gif)
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