题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015940-49740.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015941-44811.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015941-57126.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015941-32869.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015941-35933.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015942-50627.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015941-44811.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015942-40852.png)
解析
试题分析:化直线
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015941-44811.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015941-57126.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015941-32869.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015942-45980.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015942-98335.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015943-82554.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015943-60063.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015941-44811.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015943-79990.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015941-44811.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015943-40420.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015943-84585.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015942-40852.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015931-46827.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015931-50893.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015925-61675.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015925-11144.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015919-23407.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015919-36978.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015919-38938.png)
(1)求曲线C2的直角坐标方程;
(2)若P,Q分别是曲线C1和C2上的任意一点,求
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015919-75964.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015907-33018.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015907-79476.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015907-79371.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015908-32276.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015908-76334.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015908-77897.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015908-15242.png)
(1)写出
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015907-33018.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015908-77897.png)
(2)已知点
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015908-83092.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015909-40020.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015909-34900.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015909-54655.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015909-48215.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015908-77897.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015910-58570.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015910-36438.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015910-41554.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015907-33018.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015910-54778.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015911-77348.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015907-33018.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015911-46339.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015911-72370.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015902-96666.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015903-48612.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015903-86949.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015903-90579.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015903-92501.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015903-48612.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015904-46034.png)
为_______________.
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