题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022238-81955.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022239-10499.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022239-49166.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022239-96361.png)
A.a2 =![]() | B.a2="13" | C.b2=![]() | D.b2=2 |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022240-36522.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022240-98294.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022240-98294.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022240-82810.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022240-27285.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022241-96629.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022241-18314.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022241-27799.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022241-92449.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022240-61096.png)
核心考点
试题【已知椭圆(a>b>0)与双曲线有公共的焦点,C2的一条渐近线与以C1的长轴为直径的圆相交于两点.若C1恰好将线段三等分,则A.a2 =B.a2="13" C.b】;主要考察你对曲线与方程的应用等知识点的理解。[详细]
举一反三
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022222-72979.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022222-54944.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022222-74535.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022223-85087.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022223-86112.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022223-76254.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022223-14214.png)
(1)证明:直线
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022224-91679.png)
(2)求
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022224-79341.png)
(3)当点
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022223-76254.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022224-52561.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022224-49737.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022225-87773.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022224-91679.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022224-79341.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022216-67863.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022216-68937.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022216-99430.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022216-46886.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022216-40735.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022209-53649.png)
(1)若抛物线
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022209-49375.png)
(2)对椭圆C,若直线L交y轴于点M,且
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022209-67677.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022209-37588.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022159-93331.jpg)
(I)求曲线C的方程;
(II)过定点T(-1,0)的动直线
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022159-30734.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022159-41549.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026022159-92892.jpg)
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