名校
解题方法
1 . 如图,已知椭圆
的两个焦点为
,且
为双曲线
的顶点,双曲线
的离心率
,设
为该双曲线
上异于顶点的任意一点,直线
的斜率分别为
,且直线
和
与椭圆
的交点分别为
和
.
的标准方程;
(2)证明:直线
的斜率之积
为定值;
(3)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c700273ffa5f5659bcce5603502160ff.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/b3113c748ec660388c3ae764f40a309f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3113c748ec660388c3ae764f40a309f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5641df2cf6ae774d06733a2f73172a7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3113c748ec660388c3ae764f40a309f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d82387e48eafb286785a21a8d4150f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.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/5e70f280d062923a39c0c881aad5d429.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3113c748ec660388c3ae764f40a309f.png)
(2)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d82387e48eafb286785a21a8d4150f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b881044b5c73db6fcce110525741b02.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec33cfe76830902de877bdb208adbb0.png)
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2023-05-11更新
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618次组卷
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4卷引用:上海市华东师范大学第三附属中学2022-2023学年高二下学期期末数学试题
名校
2 . 已知向量
,向量
,则
与
的夹角的大小为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab64fa9ef549b153e234c0118795f8d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a47b916d5d31c35b949426f2fc37b085.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
您最近一年使用:0次
2023-04-13更新
|
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4卷引用:上海市金山区2023届高三二模数学试题
上海市金山区2023届高三二模数学试题(已下线)专题05 向量及其应用湖南省邵阳市邵东市第一中学2023-2024学年高二上学期10月月考数学试题(已下线)第05讲 空间向量及其应用(十六大题型)(讲义)-1
解题方法
3 . 已知椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80fbe5e9b0abbbaeccc641cee1b637c4.png)
.
(1)已知椭圆
的离心率为
,求椭圆
的标准方程;
(2)已知直线
过椭圆
的右焦点且垂直于
轴,记
与
的交点分别为A、B,A、 B两点关于y轴的对称点分别为
、
,若四边形
是正方形,求正方形
的内切圆的方程;
(3)设О为坐标原点,P、Q两点都在椭圆
上,若
是等腰直角三角形,其中
是直角,点Р在第一象限,且O、P、Q三点按顺时针方向排列,求b的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80fbe5e9b0abbbaeccc641cee1b637c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40c1fb9f8b59508b1b58180c899d1787.png)
(1)已知椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcfe69b939fd1c271747fe9d37ccdf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcfe69b939fd1c271747fe9d37ccdf9.png)
(3)设О为坐标原点,P、Q两点都在椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1f0417d8269f01d8e0bc1a8756e2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c3509f3ade93b697d3ccd055d345e4.png)
您最近一年使用:0次
4 . 设
是项数为
的有穷数列,其中
.当
时,
,且对任意正整数
,都有
.给出下列两个命题:①若对任意正整数
,都有
,则
的最大值为18;②对于任意满足
的正整数s和t,总存在不超过
的正整数m和k,使得
.下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7e9f86738335a22298559db41037a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66631952e2b92eee9775f4fdbedb9db1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ed43c7570403dcabdf31cf7719d1fb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a78a26e3eeac053424c52ab90f6a3490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b3388bf956dc7be8efe787af3f5e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7540eed287b2c7371a4a3616156f8c6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b3388bf956dc7be8efe787af3f5e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9547c06182bc9f2486db6f1f215ec5da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7e9f86738335a22298559db41037a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53165225152261dd43197a68d6679466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7e9f86738335a22298559db41037a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10f25ca4b8ffd29ac12495959fa7254f.png)
A.①是真命题,②是假命题 | B.①是假命题,②是真命题 |
C.①和②都是真命题 | D.①和②都是假命题 |
您最近一年使用:0次
名校
解题方法
5 . 已知
,
为
的两个顶点,
为
的重心,边
,
上的两条中线长度之和为6.
(1)求点
的轨迹
的方程;
(2)若直线
与曲线
相交于点
、
,若线段
的中点是
,求直线
的方程;
(3)已知点
,
,
,直线
与曲线
的另一个公共点为
,直线
与
交于点
,求证:当点
变化时,点
恒在一条定直线上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42f05b013e4b7166cbc87c5a83d6a85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca0b4afd16b79370532de44989d6c43d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bac7c28099bfbb7dc2a45ad166eace05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80e226b2b5fa8e31e6a12482a7e63e92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dad483f961dc9d4c1516cf9f60138c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be92f0e0012a7696c78e3e00513edefd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f541f7ae7c39082d202efd28805c54e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632917e61f4208959686d118c7f19231.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/ac047e91852b91af639feec23a9598b2.png)
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2023-03-18更新
|
771次组卷
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3卷引用:上海市金山中学2023届高三核心素养检测数学试题
22-23高三下·上海浦东新·阶段练习
6 . 如图,
为圆O的直径,点
在圆O上,
,矩形
所在平面和圆O所在的平面互相垂直,已知
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/19/b6557470-b3a3-44fe-b194-07177cede093.png?resizew=156)
(1)求证:平面
平面
;
(2)当
的长为何值时,二面角
的大小为
?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/666734423f1818d76a74f171b7420b68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29fb67185648985ee00f25b3332d7690.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/19/b6557470-b3a3-44fe-b194-07177cede093.png?resizew=156)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/630675e0bd82419bc787b557181303d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/603c7e98deecdba0cf3773757a9b8304.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69856a547e733af483753a1dc51f47bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/260200d547998bcac50a4a491382e7f4.png)
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4卷引用:上海市金山中学2023届高三核心素养检测数学试题
上海市金山中学2023届高三核心素养检测数学试题(已下线)上海市华东师范大学第二附属中学2023届高三下学期3月月考数学试题山东省淄博实验中学、淄博齐盛高中2022-2023学年高三下学期3月阶段性诊断检测数学试题四川省南充高级中学2022-2023学年高二下学期期中考试理科数学试题
名校
7 . 设
,则“
”是“
”的( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa0d236b0027c26b3c5ae660fd684b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2258c3c7e824993144b3b2e7696d73f9.png)
A.充分非必要条件 | B.必要非充分条件 |
C.充要条件 | D.既非充分又非必要条件 |
您最近一年使用:0次
2023-03-10更新
|
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3卷引用:上海市金山区2022-2023学年高一上学期期末数学试题
名校
解题方法
8 . 如图,
为双曲线的左右焦点,过
的直线交双曲线于
两点,
为线段的
中点,若对于线段
上的任意点
,都有
成立,且
内切圆的圆心在直线
上.则双曲线的离心率是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f98254a6193566587a70c7d95fdabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/757942f619e1f8d5296438829fb11b34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffdff38505b8c08aad3d1a07661583fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c1dd5a3f83a7455eb3630364397accc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c1dd5a3f83a7455eb3630364397accc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e1362272bf11e7c2db8b7f38c43d1b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47444b5fbc4252516d54263062e47c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
A.![]() | B.![]() | C.2 | D.![]() |
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4卷引用:上海市金山中学2023届高三核心素养检测数学试题
9 . 已知直线
过双曲线
的左焦点
,且与C的渐近线平行,则l的倾斜角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ef54fc74adf32e769110c126f2fea81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9e34f1138f1f1af20ae8fb000841cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/813f9a2814013e2407b5b1c216159359.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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|
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3卷引用:上海市金山中学2022-2023学年高二上学期期末数学试题
名校
10 . 已知空间中三点
,
,
,则以向量
、
为一组邻边的平行四边形的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e8077ed88333e0a9f03ab92a91ba6c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60e859540e50445d2fd8a5732b4ce238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/350a7b3a3b62f81449127082d3c1e9f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
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|
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2卷引用:上海市金山中学2022-2023学年高二上学期期末数学试题