解题方法
1 . 已知
,
为双曲线C:
的左、右焦点,
,过
斜率存在的直线交C的右支于A,B两点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/0bff4a53-21c8-423f-8f7b-00853b335cc4.png?resizew=161)
(1)求C的方程;
(2)点A关于x轴对称点为D,直线BD交x轴于点E,记
,
的面积分别为
,
.求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177ae60ade0b7ac20e7bdc40eaa1ef5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2d96389b282883a447201e8e522e009.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e24141f9423ade72a08bc84e8ac09034.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/0bff4a53-21c8-423f-8f7b-00853b335cc4.png?resizew=161)
(1)求C的方程;
(2)点A关于x轴对称点为D,直线BD交x轴于点E,记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b386553809980f819760503b3789b8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223501e86aa1b3d6e7b9d5cfa0112e33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
您最近一年使用:0次
2 . 点
,
分别为椭圆C:
的左、右焦点,点A为C的右顶点,点P为C上第一象限内的动点,
,
分别为
,
内切圆半径.当
时,点P的坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2858005b9ae89ae080d83dcc13cf8e81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3e95410f3b4fcb0cba425b521d1f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bf99c54d7eee25121966f6b121b80d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3422ad692e1b4c9c2f77fe705c4437b.png)
您最近一年使用:0次
名校
解题方法
3 . 已知椭圆
:
的左右焦点分别为
,
,过
的直线交椭圆
于A,B两点,若
,点
满足
,且
,则椭圆C的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47d721883ffd9a2c61ed89a5790ba205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b9697334ff5784b8fa778c7aa59c35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/620963ebd61d6f8da4875c2a23d07dbd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-22更新
|
2009次组卷
|
10卷引用:四川省达州外国语学校2023-2024学年高二下学期3月月考数学试题
四川省达州外国语学校2023-2024学年高二下学期3月月考数学试题广东省广州市五校联考2023-2024学年高二上学期期末联考数学试卷江西省南昌市第二中学2024届高三“九省联考”考后适应性测试数学试题(三)湖南省株洲市第二中学2021-2022学年高二上学期第三次月考数学试卷贵州省铜仁第一中学2023-2024学年高二下学期2月开学适应性模拟检测数学试题四川省绵阳市南山中学2024届高三下学期入学考试数学(理)试题(已下线)黄金卷01(2024新题型)(已下线)题型23 6类圆锥曲线离心率问题解题技巧河南省信阳市新县高级中学2024届高三考前第六次适应性考试数学试题(已下线)专题7 圆锥曲线与定比分点法【练】(压轴小题大全)
名校
4 . 设函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adbb38b88b485c1d63b93644a77ebfb7.png)
A.![]() |
B.函数![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() ![]() |
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2024-01-13更新
|
780次组卷
|
6卷引用:四川省达州外国语学校2023-2024学年高二下学期3月月考数学试题
5 . 已知椭圆
,右焦点
,直线
,过右焦点
的直线(不与
轴重合)与椭圆
交于
两点,过点
作
,垂足为
.
(1)求证:直线
过定点
,并求出定点
的坐标;
(2)点
为坐标原点,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c99e8488f37ecf147b0bf7663b66f052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e35737207c833ab0ec075e5eb976fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/009b65882b63f90204ca1402d9b4be64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13b505788d3d02bf232ac637fc3a8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(1)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7189182cc23d759be2764d141952737b.png)
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2024-01-10更新
|
380次组卷
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2卷引用:四川省达州市达川区铭仁园学校2023-2024学年高二上学期第四次月考数学试题
解题方法
6 . 设
.
(1)当
时,求函数
的单调区间;
(2)当
时,若
在
上的最大值为1,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2485ff86fe65d17b02bb1aa7e59270.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9443c486c23d6a5a4ad1cd7b6a766446.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a88f3b3aa95c9d016ca80f9d9999fedb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c8d82b0a97f17f6fbd0587cdfc984e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
7 . 已知椭圆
过点
,且离心率为
.
(1)求椭圆
的标准方程;
(2)设椭圆
的左顶点为
,上顶点为
,已知直线
平行于直线
,且交椭圆
于
两点,若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63bb539d82e21ff9052cccaa62ef849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/736a205640aaabdd8caace743963d4a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
8 . 已知椭圆
的左右焦点分别为
,短轴的两个顶点与
构成面积为
的正方形.
(1)求椭圆
的方程;
(2)过点
的直线
与椭圆
交于
两点,
轴上是否存在定点
,使点
到直线
的距离与点
到直线
的距离相等?若存在,求出点
的坐标;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ffc7d1af9053b027cf9e726f5367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438f34bc8b04e8c494b91306ac6fe352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
9 . 已知曲线
上任意一点的坐标
满足
.
(1)求曲线
的方程;
(2)过点
的直线
与曲线
交于
,
两点,
为平面内任意一点,若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9537d966e451f4fc7c93d116a21a7001.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383f12cb70ca55eba4ff012771dbfa9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ef1e9e96a54bfee80cccb00e72a4e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-12-13更新
|
468次组卷
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2卷引用:四川省达州市普通高中2024届第一次诊断性测试数学(文科)试题
名校
解题方法
10 . 已知椭圆
的左、右焦点分别是
,点
是椭圆上一点,
的内切圆的圆心为
,若
,则椭圆
的离心率为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cfd997d3b66a3b8f7731b26f0ab0c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfc052b7ebeec75b180f7271b76538a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2023-12-01更新
|
265次组卷
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4卷引用:四川省达州市万源中学2023-2024学年高二上学期期中数学试题
四川省达州市万源中学2023-2024学年高二上学期期中数学试题河北省承德市高新区第一中学2024届高三上学期12月月考模拟数学试题四川省宜宾市叙州区第二中学校2023-2024学年高二上学期期末数学试题(已下线)专题7 圆锥曲线与定比分点法【练】(压轴小题大全)