题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171435-72053.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171435-61488.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171435-89486.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171435-73084.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171435-12362.png)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171436-86866.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171436-90619.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171436-51809.png)
又
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171436-74664.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171436-54006.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171435-73084.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171435-12362.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171430-50503.png)
(1)求椭圆G的焦点坐标和离心率;
(2)将|AB|表示为m的函数,并求|AB|的最大值.
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171420-73313.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171420-60635.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171420-70466.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171421-65222.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171421-62461.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171421-39671.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171421-22876.png)
A.8 | B.2 | C.4 | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171422-16091.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171407-82884.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171407-38415.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171407-68539.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171407-36736.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171407-58056.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171352-79816.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171353-60622.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171353-75090.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171353-27058.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171353-97711.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171354-96687.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171354-54544.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171354-87450.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171354-77466.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171355-52395.png)
(Ⅰ)求椭圆的方程;
(Ⅱ)是否存在过
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171352-79816.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171355-66491.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171355-69251.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171355-54012.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171355-16400.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171356-70112.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171356-59496.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171356-16065.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171356-27169.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171357-83310.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171357-23524.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023171355-66491.png)
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