题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235340-14481.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235340-57970.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235340-69661.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235340-45809.png)
解析
试题分析:双曲线的渐近线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235341-62523.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235341-49089.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235341-34710.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235342-82969.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235342-79158.png)
又因为双曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235342-66268.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235340-45809.png)
点评:本题主要考查双曲线的标准方程,简单几何性质,直线与双曲线的位置关系,圆的简单性质等基础知识.考查运算求解能力,推理论证能力;考查函数与方程思想,化归与转化思想.
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235322-91506.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235322-56904.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235323-73752.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235323-45606.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235323-84038.png)
(I)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235322-91506.png)
(Ⅱ)设椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235322-91506.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235323-85395.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235324-32399.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235324-65117.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235324-26653.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235322-91506.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235325-93268.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235325-47566.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235325-61305.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235325-83542.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235325-61305.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235326-46820.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235326-69323.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235326-89594.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235327-40195.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235304-75658.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235305-16894.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235305-99845.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235305-91281.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235305-30267.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235306-77192.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235306-26420.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235306-67607.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235307-25188.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235307-97475.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235305-91281.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235305-16894.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235307-48480.png)
(Ⅰ)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235307-26946.png)
(Ⅱ)当
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235308-83905.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235308-19801.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235306-77192.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235308-92577.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235308-59256.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235300-36098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235300-70302.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235300-10241.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235255-10371.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235232-94273.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235233-15036.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235233-60608.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235233-52383.png)
(Ⅰ)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235233-55532.png)
(Ⅱ)若过点
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235234-95369.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235234-36415.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235234-38152.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235235-12884.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235235-94828.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235234-36415.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235235-30394.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025235235-24604.png)
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