题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231440-98559.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231441-71784.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231441-83360.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231441-71784.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231441-21524.png)
解析
试题分析:设点
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231441-71784.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231441-41483.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231442-63537.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231442-66278.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231442-16565.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231442-30529.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231442-13028.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231427-59303.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231427-65569.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231427-73738.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231427-76613.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231428-60462.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231428-81218.png)
(Ⅰ)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231427-73738.png)
(Ⅱ)如图,设直线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231428-27091.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231427-73738.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231428-49967.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231429-95288.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231429-68425.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231429-13300.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231429-71512.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231429-71512.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231430-70065.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231430-84059.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231430-62723.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231430-24918.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231427-73738.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231418-96723.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231418-93019.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231418-95472.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231418-69000.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231419-57258.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231419-84580.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231419-87336.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231419-47551.png)
(Ⅰ)化曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231418-69000.png)
(Ⅱ)若直线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231419-84580.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231420-45769.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231419-84580.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231418-69000.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231420-55694.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231359-69987.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231359-76295.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231359-42525.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231400-50476.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231400-80468.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231400-90166.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231400-78967.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231400-63410.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231401-63743.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231401-38717.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231401-76556.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231401-43710.png)
(Ⅰ)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231400-50476.png)
(Ⅱ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231401-12217.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231402-38992.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231402-45538.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231359-42525.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231352-91553.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231353-38737.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231353-46848.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231353-38737.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231338-99692.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231338-16922.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231338-36603.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231338-28724.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231339-71196.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231339-69428.png)
(I)求曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231339-69428.png)
(II)设直线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231339-50515.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231339-69428.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231339-91031.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231339-89941.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231340-83432.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231340-87282.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231340-85056.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231340-15783.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025231340-83432.png)
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