名校
解题方法
1 . 已知椭圆
:
的左、右焦点分别为
、
,若
上存在无数个点
,满足:
,则
的取值范围为( )
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c73c8f52353cb1065494ffa288be8f42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6ce02259a85ea191541f4a708738f1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-09-01更新
|
462次组卷
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3卷引用:河北省衡水市重点高中2023届高三上学期摸底联考数学试题
2 . 已知椭圆
的左、右焦点分别为
,焦距与短轴长均为4.
(1)求E的方程;
(2)设任意过
的直线为l交E于M,N,分别作E在点M,N上的两条切线,并记它们的交点为P,过
作平行于l的直线分别交
于A,B,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cb291b5fe77e830ae19671170f72b89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
(1)求E的方程;
(2)设任意过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec8858389f4c3156a946ba8bf0d8a7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f2e7aac4d07e14dadc0f6b0eb322e7.png)
您最近一年使用:0次
2022-07-25更新
|
1809次组卷
|
6卷引用:河北省保定市唐县第一中学2022-2023学年高三上学期11月期中考试数学试题
名校
解题方法
3 . 已知椭圆
过点
离心率
,左、右焦点分别为
,P,Q是椭圆C上位于x轴上方的两点.
(1)若
,求直线
的方程;
(2)延长
分别交椭圆C于点M,N,设
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cba824597ac1256ef641fb87346dda6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cfd54aca8bd0e0e8c78bdab7ad7776c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075ba8c6fb5ef7288cd3fed425c8e69e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82d4580f7ee60d77609a5b9fea2da020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a16c755ab3fea6ca99b13193a5d7e485.png)
(2)延长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e75ce07a732d2822ae1c809a1c4db318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e532f244910092a7627438860183d3d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0037bb36a517b21e1c9cf582a76cff17.png)
您最近一年使用:0次
2022-06-01更新
|
2451次组卷
|
6卷引用:河北省石家庄第一中学2022-2023学年高二下学期3月月考数学试题
河北省石家庄第一中学2022-2023学年高二下学期3月月考数学试题山东省日照市2022届高三下学期5月校际联合考试(三模)数学试题(已下线)专题12 定比点差法及其应用 微点5 定比点差法综合训练(已下线)专题33 圆锥曲线中的向量问题-1四川省泸州市泸县第一中学2022-2023学年高三上学期12月月考数学(理)试题(已下线)重难点突破10 圆锥曲线中的向量问题(五大题型)
4 . 已知椭圆
的左、右焦点分别为
,
,过点
的直线与该椭圆相交于
,
两点,点
在该椭圆上,且
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cf6cca367ce2afd96d7d951f9587e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17618d8d22ebb3fd6835a7eb139b4f95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13683e2ecf2164a0adbfdb9923d210a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af769f644d3e8aa6833ffa947f9b064.png)
A.存在点![]() ![]() | B.满足![]() ![]() |
C.若![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2022-04-09更新
|
2673次组卷
|
6卷引用:河北省保定市2022届高三一模数学试题
河北省保定市2022届高三一模数学试题(已下线)押新高考第11题 圆锥曲线-备战2022年高考数学临考题号押题(新高考专用)(已下线)专题23 圆锥曲线中的最值、范围问题 微点3 圆锥曲线中的最值、范围问题综合训练黑龙江省佳木斯市第八中学2023届高三第四次教学质量检测数学试题江西省宜春市宜丰县宜丰中学2022-2023学年高二上学期第三次月考(12月)数学试题山东省烟台市爱华高级中学2023-2024学年高二上学期期末模拟数学试题(二)A卷
名校
解题方法
5 . 已知椭圆
,其右焦点为
,点M在圆
上但不在
轴上,过点
作圆的切线交椭圆于
,
两点,当点
在
轴上时,
.
(1)求椭圆
的标准方程;
(2)当点
在圆上运动时,试探究
周长的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce176fdfbb44b8459f441a8d805013f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef74c4299221a967507c6a179337581a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c7e3b6c9b4c7c09f0246a6e05c7e1b.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a9bf6bda9363dbef5f6ff4bf6a5edf.png)
您最近一年使用:0次
2022-03-30更新
|
3299次组卷
|
9卷引用:河北省2022届高考临考信息(预测演练)数学试题
河北省2022届高考临考信息(预测演练)数学试题广东省2022届高三一模数学试题(已下线)专题二十三 椭圆与方程广东省广州市番禺区2021-2022学年高二下学期期中数学试题(已下线)必刷卷03 (理)-2022年高考数学考前信息必刷卷(全国乙卷)新疆实验中学2022-2023学年高二上学期期中考试数学试题(已下线)专题38 圆锥曲线中的圆问题-1广东省揭阳市揭东区2022-2023学年高二上学期期末数学试题(已下线)广东省2022届高三一模数学试题变式题17-22
名校
解题方法
6 . 已知椭圆
的焦点
,且椭圆
的离心率为
.
(1)求椭圆
的方程;
(2)若
、
为
上不同的两点,动点
、
满足:
,
,且
在
上.
(i)求证:点
在
上;
(ii)若
过焦点
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee14db57f0c762aad845cf5b4a243c0.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/352c283e5e0316b9e27768db28296491.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecef922a02b99afe79e373de2beb7646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(i)求证:点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(ii)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2022-03-22更新
|
548次组卷
|
4卷引用:河北省唐山市曹妃甸区曹妃甸新城实验学校(北京景山学校曹妃甸分校)2022-2023学年高二上学期期末数学试题
名校
解题方法
7 . 设点M和N分别是椭圆
上下不同的两点,线段MN最长为4,椭圆的离心率
.
(1)求椭圆C的标准方程;
(2)若直线MN过点
,且
,线段MN的中点为P,求直线OP的斜率的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de85df85401e7e8da683ea4a784963c.png)
(1)求椭圆C的标准方程;
(2)若直线MN过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e75ebcf0d951f833ca90e040f3cd4db6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7adb41d5a387efa4baecb73226beeabe.png)
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2022-01-08更新
|
717次组卷
|
4卷引用:河北省唐山市乐亭高平中学2022-2023学年高二下学期期末数学试题
河北省唐山市乐亭高平中学2022-2023学年高二下学期期末数学试题黑龙江省双鸭山市第一中学2021-2022学年高二上学期期末数学试题(已下线)解密14 椭圆及其方程(讲义)-【高频考点解密】2022年高考数学二轮复习讲义+分层训练(新高考专用)(已下线)福建省泉州市安溪恒兴中学2023-2024学年高二下学期6月份质量检测数学试题
名校
解题方法
8 . 已知椭圆
过点
,焦点分别为
,
.短轴端点分别为
,
,
.
(1)求椭圆
的方程;
(2)过点
的直线
与椭圆
相交于
,
两点,当线段
的中点落在四边形
内(包括边界)时,求直线
的斜率的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefcdabb1ab964f7c9c4b93632122b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6dc791ae552024ea0df7905bf190f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace7c9e3da8613175ca07c54c116127a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e940919aa3d531363ef405ece6a3b29.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38316b97283a192d8c08a318a3d6a612.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e694ed4fd4d76f641a4212908c0aa55a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
名校
解题方法
9 . 已知直线l:y=x﹣1与椭圆C:
1(a>1,b>0)相交于P,Q两点M
,
.
(1)证明椭圆过定点T(x0,y0),并求出
的值;
(2)求弦长|PQ|的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bd4fd9bfd38c5361d55735bfe4bb2d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6554ac3dff4a59833e407db887f6e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efda6d4a7b9c252cedd3c52ddf469e7c.png)
(1)证明椭圆过定点T(x0,y0),并求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185e94c1b651c2973ee86d724e38e16e.png)
(2)求弦长|PQ|的取值范围.
您最近一年使用:0次
2022-04-07更新
|
1160次组卷
|
5卷引用:河北省石家庄市2021届高三二模数学试题
河北省石家庄市2021届高三二模数学试题浙江省金华第一中学2021-2022学年高二上学期期中数学试题(已下线)专题3.5 直线与椭圆的位置关系-重难点题型精讲-2021-2022学年高二数学举一反三系列(人教A版2019选择性必修第一册)(已下线)专题8 解析几何 第4讲 圆锥曲线中的定点,定值,探究性问题陕西省西安高新唐南中学2020-2021学年高二下学期期末理科数学试题
名校
解题方法
10 . 已知椭圆
的离心率为
,且经过点
,
,过点
作直线
与椭圆交于点
,
(点
,
异于点
,
),连接直线
,
交于点
.
(1)求椭圆的方程;
(2)当点
位于第二象限时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852b303689c31189cd47bb4a3220f9fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefa9389cabcec54a759824ed524df58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.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/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)求椭圆的方程;
(2)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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4卷引用:河北省张家口市第一中学2022届高三下学期4月月考数学试题