在
中,已知点
和点
.若边
,且满足
,求顶点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca0b4afd16b79370532de44989d6c43d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce613eaa5df46a50174085ef5d1087fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febfce52f76b851da3c3dda7ef205a12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
23-24高二上·上海·课后作业 查看更多[5]
(已下线)2.2 椭圆黑龙江省齐齐哈尔市恒昌中学校2023-2024学年高二上学期期中数学试题(已下线)3.1.1 椭圆及其标准方程(6大题型)精讲-【题型分类归纳】2023-2024学年高二数学同步讲与练(人教A版2019选择性必修第一册)(已下线)3.1.1 椭圆及其标准方程(分层练习)-2023-2024学年高二数学同步精品课堂(人教A版2019选择性必修第一册)(已下线)通关练15 椭圆11考点精练(2)
更新时间:2023-09-11 20:19:15
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【推荐1】
中,内角
的对边分别为
,已知
成等比数列,且
.
(1)求
的值;
(2)设
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b850b6c714abe0d117eae47783230b0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a5ac2c5aa4d08c4ca88546a581649a.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5f5e6d3c4bf5a1722f921253f3ec82e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd1810555c0c28fe352841322b85bbc6.png)
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解题方法
【推荐2】在
中,内角
,
,
所对的边分别为
,
,
.已知
,
.
(1)求
的值;
(2)求
值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942245aece46d6fa4a771afe4ff05929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84aac0acb075f5ff144b8bd69e7a713f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1311f32edf13f8caee5edb03f24a7ba.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d785e142cccc733f515411efb00e0b1d.png)
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【推荐1】已知点
和
,过点B的直线l和过点C的直线m相交于点A,设直线l的斜率为
,直线m的斜率为
,如果
,求点A的轨迹方程,并说明此轨迹是何种曲线.
![](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/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/229bf788cc03a5fa05826a1923709a4a.png)
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【推荐2】设动点M到定点
的距离与它到直线
的距离之比为
,求点M的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63309dbc3612815f6dbdee23d9a10adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3439f440cfb4dc0703fee0c59c56ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
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