题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042844-88421.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042844-47545.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042844-42495.png)
以原点
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042844-24947.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042844-22809.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042845-19710.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042845-37372.png)
⑴ 求曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042844-47545.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042845-19710.png)
⑵ 当
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042845-69280.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042844-47545.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042845-19710.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042846-83200.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042846-15078.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042846-15308.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042846-35522.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042846-39726.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042847-79833.png)
解析
试题分析:
试题解析:(1)对于曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042847-51114.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042847-22317.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042848-10287.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042848-76911.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042848-58761.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042846-35522.png)
对于曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042845-19710.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042848-43196.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042848-70078.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042846-39726.png)
(2) 当
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042845-69280.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042847-51114.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042849-87666.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042849-18164.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042849-47579.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042849-28462.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042850-88134.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042850-86157.png)
圆心为
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042850-37599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042850-87279.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042847-79833.png)
核心考点
试题【在直角坐标系中,曲线的参数方程为,以原点为极点,轴正半轴为极轴建立极坐标系,曲线的极坐标方程为.⑴ 求曲线的普通方程和曲线的直角坐标方程;⑵ 当时,曲线和相交于】;主要考察你对常见曲线的参数方程等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042838-49669.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042838-57665.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042838-64396.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042838-90707.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042839-93898.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042839-38918.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042838-90707.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042839-93898.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042838-57665.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042833-79943.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042834-62685.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042834-93847.png)
(Ⅰ)求m的值;
(Ⅱ)设直线l与椭圆C交于A、B两点,求|FA|·|FB|的最大值和最小值.
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042825-25488.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042825-98110.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042825-24221.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042825-10582.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042826-89729.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042826-45259.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042825-98110.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042819-34314.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042819-67376.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042812-65623.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042812-57845.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108042812-21547.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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