2023·全国·模拟预测
名校
解题方法
1 . 已知椭圆C:
的离心率为
,椭圆上一动点P与左、右焦点构成的三角形面积的最大值为
.
(1)求椭圆C的方程;
(2)设椭圆C的左、右顶点分别为A,B,直线PQ交椭圆C于P,Q两点,记直线AP的斜率为
,直线BQ的斜率为
,已知
,设
和
的面积分别为
,
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(1)求椭圆C的方程;
(2)设椭圆C的左、右顶点分别为A,B,直线PQ交椭圆C于P,Q两点,记直线AP的斜率为
![](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/7096cc7dae512c88ea3ad3d513f9e164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9763846b1131e1e3e2d741ad95d5bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8dcc9f79fe5f07f25447aa442ee14ad.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/c59c4295f918205f5598ecc9a96d8867.png)
您最近一年使用:0次
2023-12-08更新
|
904次组卷
|
6卷引用:福建省莆田第五中学2023-2024学年高二上学年12月月考数学试卷
福建省莆田第五中学2023-2024学年高二上学年12月月考数学试卷福建省厦门外国语学校2023-2024学年高二上学期12月阶段性训练数学试卷(已下线)2024届数学新高考Ⅰ卷精准模拟(五)(已下线)微考点6-2 圆锥曲线中的弦长面积类问题(已下线)专题8.2 椭圆综合【九大题型】(已下线)重难点14 圆锥曲线必考压轴解答题全归类【十一大题型】(举一反三)(新高考专用)-1
2023·全国·模拟预测
名校
解题方法
2 . 已知圆
,圆
,动圆
与圆
和圆
均相切,且一个内切、一个外切.
(1)求动圆圆心
的轨迹
的方程.
(2)已知点
,过点
的直线
与轨迹
交于
两点,记直线
与直线
的交点为
.试问:点
是否在一条定直线上?若在,求出该定直线;若不在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07112c5e9c83f79633ab2753c9b8b2f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca8cb816d758a13224877ef1d7f954ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)求动圆圆心
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25a47e8ecd2cdc48a3d54bb43f3fdf6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2023-12-01更新
|
1255次组卷
|
5卷引用:福建省莆田市锦江中学2023-2024学年高二上学期第二次月考数学试题
福建省莆田市锦江中学2023-2024学年高二上学期第二次月考数学试题(已下线)高考2024年普通高等学校招生全国统一考试?信息卷数学(二)广东省广州市白云中学2023-2024学年高二上学期12月月考数学试题(已下线)热点7-2 椭圆及其应用(8题型+满分技巧+限时检测)(已下线)微考点6-1 圆锥曲线中的非对称韦达定理问题(三大题型)
解题方法
3 . 为了解学生中午的用餐方式(在食堂就餐或点外卖)与最近食堂间的距离的关系,某大学于某日中午随机调查了2000名学生,获得了如下频率分布表(不完整):
并且由该频率分布表,可估计学生与最近食堂间的平均距离为
(同一组数据以该组数据所在区间的中点值作为代表).
(1)补全频率分布表,并根据小概率值
的独立性检验,能否认为学生中午的用餐方式与学生距最近食堂的远近有关(当学生与最近食堂间的距离不超过
时,认为较近,否则认为较远):
(2)已知该校李明同学的附近有两家学生食堂甲和乙,且他每天中午都选择食堂甲或乙就餐.
(i)一般情况下,学生更愿意去饭菜更美味的食堂就餐.某日中午,李明准备去食堂就餐.此时,记他选择去甲食堂就餐为事件
,他认为甲食堂的饭菜比乙食堂的美味为事件
,且
、
均为随机事件,证明:
:
(ii)为迎接为期7天的校庆,甲食堂推出了如下两种优惠活动方案,顾客可任选其一.
①传统型优惠方案:校庆期间,顾客任意一天中午去甲食堂就餐均可获得
元优惠;
②“饥饿型”优惠方案:校庆期间,对于顾客去甲食堂就餐的若干天(不必连续)中午,第一天中午不优惠(即“饥饿”一天),第二天中午获得
元优惠,以后每天中午均获得
元优惠(其中
,
为已知数且
).
校庆期间,已知李明每天中午去甲食堂就餐的概率均为
(
),且是否去甲食堂就餐相互独立.又知李明是一名“激进型”消费者,如果两种方案获得的优惠期望不一样,他倾向于选择能获得优惠期望更大的方案,如果两种方案获得的优惠期望一样,他倾向于选择获得的优惠更分散的方案.请你据此帮他作出选择,并说明理由.
附:
,其中
.
学生与最近食堂间的距离![]() | ![]() | ![]() | ![]() | ![]() | ![]() | 合计 |
在食堂就餐 | 0.15 | 0.10 | 0.00 | 0.50 | ||
点外卖 | 0.20 | 0.00 | 0.50 | |||
合计 | 0.20 | 0.15 | 0.00 | 1.00 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc799084b142019f173728370a7bc32e.png)
(1)补全频率分布表,并根据小概率值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24b29b2aa2472a61e82a9f564444c83c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f05ba29eb90358e2211e1f7ba6423fa2.png)
(2)已知该校李明同学的附近有两家学生食堂甲和乙,且他每天中午都选择食堂甲或乙就餐.
(i)一般情况下,学生更愿意去饭菜更美味的食堂就餐.某日中午,李明准备去食堂就餐.此时,记他选择去甲食堂就餐为事件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378d3d6a070b9f79fef8dcb8e1d1486f.png)
(ii)为迎接为期7天的校庆,甲食堂推出了如下两种优惠活动方案,顾客可任选其一.
①传统型优惠方案:校庆期间,顾客任意一天中午去甲食堂就餐均可获得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②“饥饿型”优惠方案:校庆期间,对于顾客去甲食堂就餐的若干天(不必连续)中午,第一天中午不优惠(即“饥饿”一天),第二天中午获得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18436f0e2391b0ab7537a566fc28204c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.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/2d100c22435a23e017cfe6f535379d3c.png)
校庆期间,已知李明每天中午去甲食堂就餐的概率均为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20c11f6c800b8e0410674a0c6d307d26.png)
附:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b38cfee12dbeeab57c707dca8643538a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/356b05e46b10ee51c3e43546d73ec96c.png)
![]() | 0.10 | 0.010 | 0.001 |
![]() | 2.706 | 6.635 | 10.828 |
您最近一年使用:0次
2023-12-01更新
|
825次组卷
|
8卷引用:福建省名校联盟2023届高三高考模拟考试4月数学试题
福建省名校联盟2023届高三高考模拟考试4月数学试题(已下线)重难专攻(十三) 概率与统计的综合问题 B卷素养养成卷重庆市北碚区缙云教育联盟2024届高考零诊数学试题(已下线)专题05 成对数据的统计分析压轴题(3)(已下线)第八章 成对数据的统计分析(压轴题专练)-2023-2024学年高二数学单元速记·巧练(人教A版2019选择性必修第三册)(已下线)黄金卷06(已下线)第八章 成对数据的统计分析(压轴题专练)-2023-2024学年高二数学单元速记·巧练(沪教版2020选择性必修第二册)(已下线)第9章 统计 章末题型归纳总结-【帮课堂】2023-2024学年高二数学同步学与练(苏教版2019选择性必修第二册)
名校
解题方法
4 . 椭圆
的左、右顶点分别为
,
,上顶点为
,左、右焦点分别为
,
,且
,
,
成等比数列.
(1)求椭圆的方程;
(2)过
的直线
与椭圆交于
,
两点,直线
,
分别与
轴交于
,
两点.若
,求直线
的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.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/b5558ffa6dc28d437c0467c7f361d444.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/7eb625a01549a61f59a73ff592d1a8a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cdfc6a59392d1ac3cd89ddc0308864c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d108afb0bdf107c63387330687b8fc.png)
(1)求椭圆的方程;
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167d31eb8432b5c0364316e5048c23dd.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f4455b81c74acee9d6ddd34ee4a709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2023-11-30更新
|
384次组卷
|
4卷引用:福建省福州市闽侯县第一中学2023-2024学年高二上学期第二次月考(12月)数学试题
福建省福州市闽侯县第一中学2023-2024学年高二上学期第二次月考(12月)数学试题天津市南开中学2023-2024学年高三上学期第二次月考数学试卷(已下线)黄金卷04(已下线)信息必刷卷04(天津专用)
名校
解题方法
5 . 已知椭圆
的左、右焦点分别为
、
,过点
且垂直于
轴的弦长为
,且 .(从以下三个条件中任选一个,将其序号写在答题卡的横线上并作答.)
①椭圆
的长轴长为
;②椭圆
与椭圆
有相同的焦点;③
,
与椭圆
短轴的一个端点组成的三角形为等边三角形.
(1)求椭圆
的标准方程;
(2)若直线
经过
,且与椭圆交于
,
两点,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
①椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45b51d0aaef52e4aabb9a54ea1c1f203.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/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ea1c3fe8431260ecb8dffcdae8d570.png)
您最近一年使用:0次
2023-11-29更新
|
73次组卷
|
2卷引用:福建省莆田第四中学2023-2024学年高二上学期第二次月考数学试题
6 . 已知函数
(
……是自然对数底数).
(1)当
时,讨论函数
的单调性;
(2)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a05faf608d65447553295d11910d88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c07d7af2ede4abfa4d647b4058992d00.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a205e6927819e0e53136f3dec0d81fdc.png)
您最近一年使用:0次
2023-11-29更新
|
454次组卷
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4卷引用:福建省福州市福清西山学校2024届高三上学期12月月考数学试题
福建省福州市福清西山学校2024届高三上学期12月月考数学试题山东省青岛市莱西市2024届高三上学期教学质量检测(一)数学试题广东省佛山市顺德区华侨中学2024届高三上学期12月月考数学试题(已下线)专题07 函数与导数常考压轴解答题(练习)
名校
解题方法
7 . 已知椭圆
的焦距为
,左、右焦点分别是
,
,其离心率为
,圆
与圆
相交,两圆交点在椭圆
上.
(1)求椭圆
的方程;
(2)过
轴上一点
的直线与椭圆交于
,
两点,过
,
分别作直线
的垂线,垂足为
,
两点,证明:直线
,
交于一定点,并求出该定点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8dcc91c2ffb5571eaf944c34f5e8ffe.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/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663e8da70e2cc556d61e6a35a8565726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70d654bb00636984bcd75cc14e76e609.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d05a0a5d5f90e591a9fa2916ba1d67b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
您最近一年使用:0次
名校
8 . 设函数
.
(1)当
时,求
的单调区间;
(2)若对于任意
,都有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/775844139a05e9482ea472d0cb9bac65.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98482ea7b98e0f06e72664e78389e4db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dab0e5aca7446296185594905382268c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
23-24高三上·福建·期中
9 . 已知函数
.
(1)求
在
的单调区间与最值;
(2)当
时,若
,证明:
有且仅有两个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8a40dc05978ed607ffa4cefa5a9834.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ffa28c7f519c1c85c0a3cad23b2e6cb.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6442958bd5b5f8ac690b33ea0bccdd0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2f2168373f7679b031863e7e4f9bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
解题方法
10 . 已知椭圆
的长轴长为4,离心率为
,定点
.
(1)求椭圆
的方程;
(2)设直线
与椭圆
分别交于点
(
不在直线
上),若直线
,
与椭圆
分别交于点
,
,且直线
过定点
,问直线
的斜率是否为定值?若是,求出定值;若不是,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0fbf5844e5482dc00bac45cb50d880.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9321a5e4b90b6d7c5aef561efb6ca839.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2023-11-23更新
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401次组卷
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4卷引用:福建省福州市平潭县新世纪学校2023-2024学年高二上学期期中数学试题
福建省福州市平潭县新世纪学校2023-2024学年高二上学期期中数学试题重庆市七校2023-2024学年高二上学期期末联考数学试题(已下线)专题03 圆锥曲线方程(3)(已下线)微考点6-3 圆锥曲线中的定点定值问题(三大题型)