已知椭圆C1:
1(a>b>0)的离心率为
,直线l:x﹣y
0与椭圆C1相切.
(1)求椭圆C1的方程;
(2)设椭圆C1的左焦点为F1,右焦点为F2,直线l1过点F1且垂直与椭圆的长轴,动直线l2垂直于直线l1于点P,线段PF2的垂直平分线交l2于点M,求点M的轨迹C2的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bd4fd9bfd38c5361d55735bfe4bb2d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ccf0c04aa941ba20d5f4c6068b46b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c691bcff21d100f71c5873d73fdd31ba.png)
(1)求椭圆C1的方程;
(2)设椭圆C1的左焦点为F1,右焦点为F2,直线l1过点F1且垂直与椭圆的长轴,动直线l2垂直于直线l1于点P,线段PF2的垂直平分线交l2于点M,求点M的轨迹C2的方程
12-13高二上·江苏淮安·期末 查看更多[1]
(已下线)2011-2012学年江苏省淮安市楚州区范集中学高二上学期期末考试数学试卷
更新时间:2016-12-01 14:38:06
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【推荐1】已知椭圆
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【推荐2】椭圆C:
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(1)求椭圆C的方程及短轴长;
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(1)求椭圆C的方程及短轴长;
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【推荐1】已知一动圆P与定圆
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【推荐2】已知定点
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(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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【推荐1】已知椭圆
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![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/79ddd271-dd56-4886-a77d-b9bb71da7514.png?resizew=174)
(1)求椭圆的方程
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【推荐2】椭圆
(
)的左、右焦点分别为
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(Ⅰ)求椭圆
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(Ⅰ)求椭圆
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(Ⅱ)
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