题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235546-48609.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235546-75661.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235546-45579.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235546-45580.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235546-41057.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235547-71447.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235547-47434.png)
解析
试题分析:设
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235547-46589.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235547-83330.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235546-45580.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235546-41057.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235548-21170.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235548-35635.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235548-24737.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235548-69456.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235549-24831.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235547-47434.png)
点评:此类问题离不开设点,设方程,联立方程组,一般难度不大,但是运算比较麻烦,所以要仔细计算.
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235537-78810.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235537-91586.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235537-18302.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235538-78299.png)
(1)求椭圆C的方程;
(2)过点
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235538-98270.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235538-36980.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235538-36980.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235538-33694.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235538-65444.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235538-64155.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235538-14050.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235539-12762.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235539-14688.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235530-12559.png)
A.![]() | B.(1,0) | C.![]() | D.(0,1) |
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235523-61056.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235523-72378.png)
A.
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235524-67302.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235523-61056.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235524-61097.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235524-70602.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235515-68249.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235515-35505.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235515-42881.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235507-74553.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235507-27847.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235507-17363.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235507-74553.png)
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