名校
解题方法
1 . 如图,椭圆
和圆
,已知椭圆C的离心率为
,直线
与圆O相切.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/4449f2dd-e3a8-458c-894c-3ef28ec2c138.png?resizew=173)
(1)求椭圆C的标准方程;
(2)椭圆C的上顶点为B,EF是圆O的一条直径,EF不与坐标轴重合,直线BE、BF与椭圆C的另一个交点分别为P、Q,求
的面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3324199c6751f2e0e6d8542783b0d957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b4bcb812c997db47214cb52c905f99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c14ff9b66f21c05e52dc3c8908c2df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26e366e3d5391b401cf4cd4fc970403.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/4449f2dd-e3a8-458c-894c-3ef28ec2c138.png?resizew=173)
(1)求椭圆C的标准方程;
(2)椭圆C的上顶点为B,EF是圆O的一条直径,EF不与坐标轴重合,直线BE、BF与椭圆C的另一个交点分别为P、Q,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fdb8865ae357b7a16b6a30cf4a9e592.png)
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2024-02-06更新
|
131次组卷
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2卷引用:江西省新余市2023-2024学年高二上学期期末质量检测数学试题卷
解题方法
2 . 已知
为椭圆
的两个焦点,过
的直线与C交于M,N两点.若
,
,则C的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25b7b8327139b0058a512a8b256f1a3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e7155f4135d1d728947cb3986675533.png)
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解题方法
3 . 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)
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4 . 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)
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5 . 设抛物线
的焦点为
,点
在抛物线的准线上. 过点
作抛物线的两条切线,切点分别为
. 已知抛物线上有一动点
,位于点
之间. 若抛物线在点
处的切线与切线
相交于点
. 求证:
(1)直线
经过点
;
(2)
的外接圆过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f29f7a04e4cfdcaedbb45e222ea566c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c72229b08c676c08a3c7258895375f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c72229b08c676c08a3c7258895375f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feb630ea75318626934df0b44e40e7ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6c2c469e50b231ff7667fbc96c19ccc.png)
(1)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ee4fee4e31dde06ecafe8def22af42.png)
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名校
解题方法
6 . 椭圆具有如下光学性质:从椭圆的一个焦点发出的光线,经过椭圆反射后,反射光线过椭圆的另一个焦点(如图).已知椭圆
的左、右焦点分别为
,过点
的直线与
交于点
,
,过点
作
的切线
,点
关于
的对称点为
,若
,
,则
( )
注:
表示面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497a920c807d2535a77cea8f26920408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99819b616c5dba8bf27281211a8d4e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f663af8d49b40aaf3d3cd83b1a46346d.png)
注:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
A.2 | B.![]() | C.3 | D.![]() |
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2024-01-31更新
|
486次组卷
|
6卷引用:河南省部分名校2023-2024学年高二上学期1月期末考试数学试题
解题方法
7 . 已知椭圆
的上顶点为
,右顶点为
,且直线
的斜率为
.
(1)求
的方程;
(2)若直线
与
交于
两点(异于点
),且满足
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383f12cb70ca55eba4ff012771dbfa9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
(1)求
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8573fd86670b02e982d52330b24d7d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a551505ae42b49904bab59b17012d8.png)
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2024-01-31更新
|
235次组卷
|
5卷引用:河南省部分名校2023-2024学年高二上学期1月期末考试数学试题
河南省部分名校2023-2024学年高二上学期1月期末考试数学试题河南省焦作市2023-2024学年高二上学期1月期末考试数学试题河南省濮阳市2023-2024学年高二上学期期末考试数学试题河南省周口市沈丘县第三高级中学2023-2024学年高二上学期期末数学试题(已下线)2.2.1 椭圆的标准方程(十三大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)
2024高三·全国·专题练习
名校
解题方法
8 . 已知
为坐标原点,
为椭圆
的左、右焦点,
是椭圆上异于顶点的一点,点
是以
为底的等腰三角形
的内切圆圆心,过
作
,垂足为
,则椭圆的离心率为______ .设内切圆与
轴相切于点
,则
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20537b56f64f6b7a808402981257c96d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf8a7029669bf1774a24f3ef6273ca88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c3e0f50ddb6819979cf96cce25248e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57da117f4143ccf0d6d8b26829197813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30467196dfcb2cc2f388fb9b2ab15e8.png)
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名校
解题方法
9 . 设双曲线的中心为O,右焦点为F,点B满足
,若在双曲线
的右支上存在一点A,使得
,且
,则
的离心率的取值范围是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-01-30更新
|
311次组卷
|
3卷引用:浙江省杭州第二中学2023-2024学年高二上学期期末考试数学试题
浙江省杭州第二中学2023-2024学年高二上学期期末考试数学试题(已下线)2.3.2 双曲线的性质(二十二大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)2023新东方高二上期末考数学01
名校
解题方法
10 . 在平面直角坐标系
中,已知椭圆
经过点
,直线
与
轴交于点
,过
的直线
与
交于
两点(异于
),记直线
和直线
的斜率分别为
.
(1)求
的标准方程;
(2)求
的值;
(3)设直线
和直线
的交点为
,求证:
在一条定直线上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c118b51ab426bc1c1b56179094f146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec30037a621b23ade12cf58e42c4059.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8533b4c6574df4f59b2ecc99e5c458db.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e3016db8a12fd848e8c4b93c11070d.png)
(3)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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2024-01-29更新
|
559次组卷
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3卷引用:江苏省苏州市2024届高三上学期学业质量阳光指标调研数学试题
江苏省苏州市2024届高三上学期学业质量阳光指标调研数学试题山东省东营市第一中学2023-2024学年高二下学期开学收心考试数学试题(已下线)2.2.2 椭圆的性质(十八大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)