已知△ABC的两顶点坐标A(﹣1,0),B(1,0),圆E是△ABC的内切圆,在边AC,BC,AB上的切点分别为P,Q,R,|CP|=1(从圆外一点到圆的两条切线段长相等),动点C的轨迹为曲线M.
(I)求曲线M的方程;
(Ⅱ)设直线BC与曲线M的另一交点为D,当点A在以线段CD为直径的圆上时,求直线BC的方程.
(I)求曲线M的方程;
(Ⅱ)设直线BC与曲线M的另一交点为D,当点A在以线段CD为直径的圆上时,求直线BC的方程.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/13/f97a9dd9-dcd7-4203-bb9e-ed29b9670e55.png?resizew=123)
12-13高三·河南郑州·阶段练习 查看更多[4]
(已下线)2014届河南省郑州市高中毕业年级第一次质量预测理科数学试卷]广西钦州市钦州港经济技术开发区中学2017-2018学年高二上学期开学考试数学(文)试题(已下线)专题9.8 曲线与方程(讲)【理】-《2020年高考一轮复习讲练测》(已下线)专题9.8 曲线与方程 (精讲)-2021年高考数学(理)一轮复习讲练测
更新时间:2016-12-02 16:55:38
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适中
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【推荐1】设
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(Ⅰ)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ff7e0ef1f622120cc1b18e9d3e80ec.png)
(Ⅱ)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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适中
(0.65)
【推荐2】在圆
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中点
的轨迹
的方程;(2)直线
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名校
解题方法
【推荐1】已知椭圆
:
(
)的左、右焦点分别为
,
,离心率为
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的直线
过
且与椭圆
相交于
,
两点,
的周长为
.
(1)求椭圆
的标准方程;
(2)设线段
的中垂线
交
轴于
,在以
,
为邻边的平行四边形
中,顶点
恰好在椭圆
上,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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(1)求椭圆
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(2)设线段
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适中
(0.65)
解题方法
【推荐2】已知椭圆
与直线
相切.
(1)求
的值;
(2)设直线
,求椭圆上的点到直线
的最短距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.png)
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(1)求
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(2)设直线
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