题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201548-66233.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201549-12811.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201549-25868.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201549-12811.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201549-59527.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201549-15798.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201550-46902.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201550-26955.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201550-84525.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201550-59258.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201551-97931.gif)
核心考点
举一反三
在直角坐标系
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201535-81963.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201536-82108.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201536-87051.gif)
(I)求轨迹C的方程;
(II)当
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201536-80147.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201536-68932.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201537-37554.jpg)
已知椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201525-97747.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201525-25310.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201525-43145.gif)
(1)求椭圆的方程;
(2)若与两坐标轴都不垂直的直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201525-32568.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201526-38266.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201526-47393.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201526-23451.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201526-88490.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201525-32568.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201510-80285.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201510-11196.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201510-66301.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201511-88775.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201511-28148.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201511-39960.gif)
(1)求实数
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201510-66301.gif)
(2)设椭圆与
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201511-23032.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201511-63948.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201512-69004.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201510-66301.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201512-41316.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201510-66301.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201503-14745.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201503-54534.png)
A.m<-1或1<m<![]() | B.1<m<2 |
C.m<-1或1<m<2 | D.m<2 |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201451-71390.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201451-76509.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201451-76509.gif)
(1)求椭圆C的方程;
(2)设过定点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201452-83056.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201452-70740.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201452-75638.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201452-47206.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201453-14628.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201453-45209.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201452-70740.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023201453-57551.gif)
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