名校
解题方法
1 . 如图,点
在椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
上,且
.
为某个定圆的切线:
(2)记
为椭圆的左焦点.若存在上述的一对点
,使得
三点共线,求椭圆的离心率
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f82eb4ba631d0f50d848aa6e576b379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ccc37b189fa2cbc269ca0b233dac37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc809e58f0a666dfb03c8eedbc88770d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
您最近一年使用:0次
2023-09-05更新
|
436次组卷
|
4卷引用:浙江省浙南名校联盟2022-2023学年高二上学期期中联考数学试题
浙江省浙南名校联盟2022-2023学年高二上学期期中联考数学试题浙江省宁波市鄞州中学2023-2024学年高二上学期12月月考数学试题(已下线)3.1.2 椭圆的几何性质(3)(已下线)专题3.1 椭圆(5个考点十四大题型)(4)
解题方法
2 . 如图所示,已知椭圆
过点
,且满足
为坐标原点,平行于
的直线交椭圆
于两个不同的点
.
(1)求椭圆
的方程;
(2)直线
与
轴交于点
.证明
的平分线所在直线与
轴垂直.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7169be81899a9c9259d4ee12feda1b9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79acf83e975582e781f3e2cf2779555b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/28/f31ff409-c66a-4220-be95-891aee705e1f.png?resizew=220)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.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/0d7890f747854b8fcf25dcff1991fb84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
真题
解题方法
3 . 如图,椭圆
与过点
的直线只有一个公共点
,且椭圆的离心率
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/15/d606e492-88c2-4dfd-989c-76def5786589.png?resizew=206)
(1)求椭圆方程;
(2)设
分别为椭圆的左、右焦点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589b8f644f09ce16191577f2441e86c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de85df85401e7e8da683ea4a784963c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/15/d606e492-88c2-4dfd-989c-76def5786589.png?resizew=206)
(1)求椭圆方程;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df5a24bc02c90e73cacb03b97add0c5.png)
您最近一年使用:0次
解题方法
4 . 如图,已知
为椭圆
的上焦点,
分别为上,下顶点,过
作直线
与椭圆交于
两点(不与
重合).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/aa3985ec-a02c-42d0-a623-1872f86a7b9b.png?resizew=176)
(1)若
,求直线
的方程;
(2)记直线
与
的斜率分别为
,求证:
为定值,并求出该定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db9c31b3f5538be8fe107e391b37c961.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/aa3985ec-a02c-42d0-a623-1872f86a7b9b.png?resizew=176)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e9c6116c6d559eb721af11cbeb724f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)记直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67351fe10fcfc3f9072eec4c60bfaaa5.png)
您最近一年使用:0次
真题
5 . 如图,椭圆
与过点
的直线有且只有一个公共点T,且椭圆的离心率
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/a4dad4bc-ae4a-4d06-9d6a-8d8f5723268e.png?resizew=212)
(1)求椭圆方程;
(2)设
分别为椭圆的左、右焦点,M为线段
的中点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589b8f644f09ce16191577f2441e86c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de85df85401e7e8da683ea4a784963c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/a4dad4bc-ae4a-4d06-9d6a-8d8f5723268e.png?resizew=212)
(1)求椭圆方程;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72404eb522c6cc692757b0855c2df865.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42f080c04382a1a2337f863fc00ffe66.png)
您最近一年使用:0次
解题方法
6 . 如图,设抛物线
的焦点为F,点P是半椭圆
上的一点,过点P作抛物线C的两条切线,切点分别为A、B,且直线PA、PB分别交y轴于点M、N.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/db5c6a1e-193a-41d5-92bd-e5bf9343d233.png?resizew=129)
(1)证明:
;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/464dcac5a17aca4b544deef5438f2776.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/db5c6a1e-193a-41d5-92bd-e5bf9343d233.png?resizew=129)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47076f68751615b8ca169f7c81078b36.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d24963e01e516e09b2a6cc9ae3034abf.png)
您最近一年使用:0次
真题
名校
7 . 如图所示,已知椭圆
过点
,离心率为
,左、右焦点分别为
、
,点
为直线
上且不在
轴上的任意一点,直线
和
与椭圆的交点分别为
、
和
、
,
为坐标原点.
![](https://img.xkw.com/dksih/QBM/2010/6/18/1569764004544512/1569764009754624/STEM/5979e36c80124962a7d73c7fb974967a.png?resizew=265)
(1)求椭圆的标准方程;
(2)设直线
、
的斜线分别为
、
.
(i)证明:
;
(ii)问直线
上是否存在点
,使得直线
、
、
、
的斜率
、
、
、
满足
?若存在,求出所有满足条件的点
的坐标;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe8530b8e246a9a5ec9fe3b9c347d5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3070c679fb57d37e2224c5205fd3812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/2010/6/18/1569764004544512/1569764009754624/STEM/5979e36c80124962a7d73c7fb974967a.png?resizew=265)
(1)求椭圆的标准方程;
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
(i)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8438a59f33c4ff839f697cb92d96f6.png)
(ii)问直线
![](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/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be8fe7e29e32d3d529957d62fe37350e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ac42906a2f4da22b764e76fef60c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6d725658d992ebf407e7e8b2da003ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0beb2c13e19f7865e0c1db13b234506e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6dba93e718deb57f1e6e8122a2bcbb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2019-01-30更新
|
1975次组卷
|
6卷引用:专题13 解析几何中的范围、最值和探索性问题 第一篇 热点、难点突破篇(练)-2021年高考数学二轮复习讲练测(浙江专用)
(已下线)专题13 解析几何中的范围、最值和探索性问题 第一篇 热点、难点突破篇(练)-2021年高考数学二轮复习讲练测(浙江专用)2010年普通高等学校招生全国统一考试文科数学(山东卷)2010年普通高等学校招生全国统一考试(山东卷)文科数学全解全析广东省华南师范大学附属中学2017-2018学年高二10月月考数学(理)试题福建省厦门市思明区厦门外国语学校2019-2020学年高二上学期期中数学试题人教A版(2019) 选择性必修第一册 过关斩将 第三章 圆锥曲线的方程 3.1 综合拔高练
2011·浙江台州·一模
8 . 椭圆
的中心在原点,焦点在
轴上,离心率为
,并与直线
相切.
![](https://img.xkw.com/dksih/QBM/2011/5/5/1570181355659264/1570181361213440/STEM/00fe747688a44958aa846dc0c0ef8b25.png?resizew=199)
(Ⅰ)求椭圆
的方程;
(Ⅱ)如图,过圆
上任意一点
作椭圆
的两条切线
. 求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31c4f39399ec245a67db2933ed639f2.png)
![](https://img.xkw.com/dksih/QBM/2011/5/5/1570181355659264/1570181361213440/STEM/00fe747688a44958aa846dc0c0ef8b25.png?resizew=199)
(Ⅰ)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)如图,过圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b6e422b2e6f6dada4d8c369559a077.png)
您最近一年使用:0次
10-11高三·浙江温州·阶段练习
9 . 已知椭圆
的左、右焦点分别为
,过点
且不与坐标轴垂直的直线
与椭圆
交于
两点.
(1)求直线
的斜率的取值范围;
(2)若点
在椭圆
上,且
三点共线,求证:点
与点
的横坐标相同.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533b93dd6eb6b474481247736699c76c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc8350b12974ffc8d06fce36d158f02.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)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7445eabdcf8054f3ba700faf3adf09c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次