题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043205-41501.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043205-85762.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043205-96116.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043206-70627.gif)
解析
核心考点
举一反三
已知椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043153-71867.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043153-12551.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043154-18064.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043154-40763.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043154-17249.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043153-71867.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043154-96628.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043154-67935.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043155-33363.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043155-94301.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043155-57440.gif)
(Ⅰ)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043153-71867.gif)
(Ⅱ)在线段
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043155-81984.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043156-73572.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043156-94631.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043156-75348.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043149-33740.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043149-79510.gif)
点
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043149-10772.gif)
(1)求双曲线的方程;
(2)若直线l与双曲线交于P、Q两点,且
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043149-29045.gif)
求:|OP|2+|OQ|2的最小值。
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043150-48237.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043144-37751.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043144-33825.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043144-31062.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043145-97189.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043145-97763.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043145-42180.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043145-52678.gif)
A.![]() | B.![]() | C.![]() ![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043141-70872.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043141-61535.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043141-34026.jpg)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024043138-76113.gif)
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