题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035721-68054.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035721-26788.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035722-82240.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035722-87207.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035722-96600.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035721-68054.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035722-84006.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035722-56002.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035723-26666.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035722-84006.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035722-84006.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035723-76842.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035723-62431.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035723-11084.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035723-20599.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035724-91079.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035724-54055.gif)
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035715-56098.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035715-16865.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035715-99754.gif)
(1)求线段AB的中点C到右焦点
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035715-16865.gif)
(2)求线段AB的长。
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035706-58803.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035707-62966.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035707-22025.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035707-86705.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035707-14285.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035707-24594.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035707-24594.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035708-92518.gif)
(1)求直线
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035708-98343.gif)
(2)抛物线的方程
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035703-88932.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035703-18815.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035704-14141.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035704-75483.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035650-99403.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035650-73404.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035650-56960.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035650-18947.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035650-92270.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035650-76062.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035650-76062.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035651-14934.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035651-50643.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035651-83176.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035651-97130.jpg)
(Ⅰ)求椭圆C的方程;
(Ⅱ)过点
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035651-31233.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035651-12788.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035651-21755.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035651-43183.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035651-50437.gif)
(Ⅲ)已知真命题:“如果点T(
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035652-32000.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035650-56960.gif)
的椭圆的切线方程为
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035652-98244.gif)
已知点Q是直线
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035652-66204.gif)
M、N为切点,问直线MN是否过定点?若是,请求出定点坐标;若不是,请说明理由。
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035645-97243.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035645-79917.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026035645-82993.gif)
A.1 | B.2 | C.-1 | D.-2 |
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