解题方法
1 . (1)若椭圆的焦点坐标为
,且椭圆经过点
,求椭圆的标准方程.
(2)与椭圆
有公共焦点,且经过点
,求双曲线的标准方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851c4504e1f8632fd9000d0acbf58a0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ed24bfcc37b79fe9ca61ed8fdf26ea.png)
(2)与椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b9025a05a7a14869ac9c7061b62655e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af7f9116891679f56e0663dbb3b0fee.png)
您最近一年使用:0次
名校
解题方法
2 . 设椭圆
经过点
,且离心率等于
.
(1)求椭圆
的方程;
(2)过点
作直线
交椭圆于
两点,且满足
,试判断直线
是否过定点,若过定点求出点坐标,若不过定点请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/182c81fb1c5e6d1a57a5f34a31ee69a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56ab70e602f2e2e291df643ab209162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83640592853a53872d7af69c0cffc1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2016-12-04更新
|
584次组卷
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4卷引用:甘肃省临夏中学2018-2019学年高二上学期期末考试数学(文)试题