题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130403-56574.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130403-30377.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130403-85273.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130403-61728.png)
解析
试题分析:由题意可知,
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130404-93389.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130404-22188.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130404-88475.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130403-30377.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130405-53878.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130348-81883.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130348-85865.png)
(1)若椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130348-35705.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130348-35705.png)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130349-14944.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130349-13954.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130348-35705.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130349-56067.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130349-49564.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130350-27139.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130350-85922.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130350-71373.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130350-75060.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130336-35791.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130336-35336.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130337-62002.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130337-58866.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130336-35336.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130337-62002.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130337-94121.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130338-27622.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130337-58866.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130338-65713.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130338-77089.png)
(1)求曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130337-58866.png)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130338-27622.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130338-77089.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130338-10104.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130339-50847.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130339-34152.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130328-24108.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130320-33935.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130320-83769.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130321-83105.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130321-17297.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130321-94129.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130322-57981.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130322-33807.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130322-12639.png)
(1)求椭圆C的方程;
(2)点P是椭圆C上动点,PM⊥l,垂足为M.是否存在点P,使得△FPM为等腰三角形?若存在,求出点P的坐标;若不存在,请说明理由.
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023130313-79458.png)
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