题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033729-40950.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033729-96025.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033730-69057.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033730-23732.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033730-10744.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033730-97821.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033731-46602.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033731-89468.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033731-69306.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033731-72497.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033731-26525.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033732-56717.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033732-30600.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033732-65007.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033732-67606.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033733-74489.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033733-66282.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033733-75396.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033733-21659.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033724-72818.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033724-72818.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033725-48765.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033724-72818.png)
A.一条直线 | B.一个圆 | C.一个椭圆 | D.双曲线的一支 |
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033717-98044.gif)
(文)已知
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033708-18660.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033708-43572.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033708-80509.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033708-43572.gif)
(1)、求轨迹E的方程;(5分)
(2)、如果过点Q(0,m)且方向向量为
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033708-10241.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033708-34901.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033709-93325.gif)
已知
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033656-14931.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033656-70890.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033657-85488.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033657-66809.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033657-25390.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033657-68660.gif)
(Ⅰ)求轨迹
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033657-68660.gif)
(Ⅱ)过点F2(1
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033657-93277.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033657-68660.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033658-47293.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033658-83953.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033658-48799.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033643-57495.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033643-60069.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033643-65447.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033644-60334.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033644-46621.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033644-14699.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033644-46621.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033644-53700.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033644-39558.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033645-34356.gif)
(1)试用
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033645-21643.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033645-61647.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033645-26904.gif)
(2)若C的方程为
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033646-84462.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033646-18155.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033644-60334.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033646-21266.gif)
(3)请选定一条除椭圆外的圆锥曲线C,试探究
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033645-61647.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033645-26904.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033646-83074.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033644-60334.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026033646-21266.gif)
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