1 . 如图,已知点
,圆
,点
在圆
上运动,
的垂直平分线交
于点
.
(1)求动点
的轨迹
的方程;
(2)直线
与曲线
交于
两点,且
中点为
,求直线
的方程及
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9bece414af7ecb2d796dc8a6f549e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a919182a613cb22cef32f8f1cf9d7310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c30a7506331e47342fb1e7d2e12d041.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a16c755ab3fea6ca99b13193a5d7e485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/3/f180503f-bed7-4ddf-9eb2-def918ae73f4.png?resizew=190)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86e203b7c9a6600e0272c58a23733490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29343388ca8b33dc98325e65382b38a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ea1c3fe8431260ecb8dffcdae8d570.png)
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2023-10-16更新
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1254次组卷
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4卷引用:山东省威海市威海大光华学校2023-2024学年高二上学期11月月考数学试题
山东省威海市威海大光华学校2023-2024学年高二上学期11月月考数学试题广东省深圳市深圳大学附属实验中学2022-2023学年高二上学期12月段考数学试题广西“贵百河”2023-2024学年高二上学期12月新高考月考测试数学试题(已下线)专题20 椭圆的标准方程5种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教B版2019选择性必修第一册)
2 . 平面直角坐标系中,动点M到定点
的距离与它到直线
的距离之比为
,
(1)求点M的轨迹方程.
(2)若点
,则求
的最大值与最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0590d52d79cde257d810882f9e7bb403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bae2ccaececa8674201e84bb4f7a4f8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c14ff9b66f21c05e52dc3c8908c2df.png)
(1)求点M的轨迹方程.
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e673c5aa17d19a2a9edb7b27a1ef2de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76e6f7ef8ede7bce7c46ae6ecc5bfe54.png)
您最近一年使用:0次
14-15高二上·山东威海·期末
3 . (1)已知点
和
,过点
的直线
与过点
的直线
相交于点
,设直线
的斜率为
,直线
的斜率为
,如果
,求点
的轨迹;
(2)用正弦定理证明三角形外角平分线定理:如果在
中,
的外角平分线
与边
的延长线相交于点
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b00c7d98aa59fe7e9b6001181ba542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dabe26428ae2ee27c6b5743c111de405.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/229bf788cc03a5fa05826a1923709a4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)用正弦定理证明三角形外角平分线定理:如果在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7adc97ebf4359db48dd4df96cc4d1b8.png)
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