1 . 已知双曲线C
的右焦点F,半焦距c=2,点F到直线
的距离为
,过点F作双曲线C的两条互相垂直的弦AB,CD,设AB,CD的中点分别为M,N.
(1)求双曲线C的标准方程;
(2)证明:直线MN必过定点,并求出此定点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ea32de991dad596030276f33881636b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa5d6092f598c7da4796f965e40525a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)求双曲线C的标准方程;
(2)证明:直线MN必过定点,并求出此定点的坐标.
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8卷引用:新疆维吾尔自治区乌鲁木齐市第十二中学2024届高三上学期11月月考数学试题
新疆维吾尔自治区乌鲁木齐市第十二中学2024届高三上学期11月月考数学试题新疆维吾尔自治区乌鲁木齐市第十一中学2024届高三下学期开学考试数学试题河南省鹤壁市高级中学2020届高三下学期线上第四次模拟数学(文)试题(已下线)第3章《圆锥曲线与方程》 培优测试卷(二)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册) (已下线)专题15 《圆锥曲线与方程》中的定点问题(1)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册) (已下线)专题3.10 直线与双曲线的位置关系-重难点题型检测-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)山西省大同市2019-2020学年高三下学期3月模拟数学(理)试题(已下线)重难点突破08 圆锥曲线的垂直弦问题 (八大题型)
名校
2 . 如图所示,在四棱锥
中,底面
为梯形,且满足
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5181b97a7e43959b8455680157c3b644.png)
,平面
平面
.
![](https://img.xkw.com/dksih/QBM/2022/1/6/2888598092283904/2895244661850112/STEM/2320cd14-9499-4ee9-9e42-904a98665424.png?resizew=232)
(1)求证:
;
(2)求直线
与平面
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675127116b1cace5e3158a88b7a2044a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ff27eea7545bb06f9472f91290c54e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52bbb16f9380dd62d556480a3944be31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbe9e969dd9de77620d16f8d4385dcd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5181b97a7e43959b8455680157c3b644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7387729823ab990cfb51f7d8cc081a09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d28c625d7ac6878957facc8274d459c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ff27eea7545bb06f9472f91290c54e.png)
![](https://img.xkw.com/dksih/QBM/2022/1/6/2888598092283904/2895244661850112/STEM/2320cd14-9499-4ee9-9e42-904a98665424.png?resizew=232)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4151e948feebdf7b91fbe739feafa9bc.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
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2卷引用:新疆乌鲁木齐市第八中学2022届高三上学期第三次月考数学(理)试题
名校
解题方法
3 . 已知抛物线
与椭圆
(
)有公共的焦点,
的左、右焦点分别为
,
,该椭圆的离心率为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/a47bb539-b652-42b3-9acb-e568c05133df.png?resizew=185)
(1)求椭圆
的方程
(2)如图,若直线
与
轴,椭圆
顺次交于
,
,
(
点在椭圆左顶点的左侧),且
与
互补,求证:直线
过定点,并求出定点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8a3bffe545af2299cf999d44767206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57880cb00bacdef41881ba1a32ea5d65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/f89eef3148f2d4d09379767b4af69132.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/a47bb539-b652-42b3-9acb-e568c05133df.png?resizew=185)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)如图,若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080156cfe470743e16136139f8ef746f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/073419c46d23ab8dd7cec04eea8c3386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/902f97913e1af1e6c793f7edfe6b2114.png)
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2022-01-15更新
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2卷引用:新疆石河子第一中学2022届高三8月月考数学(文)试题(A卷)
名校
解题方法
4 . 如图,在多面体
中,
为正方形,
平面
,
,
.
![](https://img.xkw.com/dksih/QBM/2022/1/14/2894203289747456/2895176848891904/STEM/54939ee7-0352-4531-94f2-2104ea035dd9.png?resizew=196)
(1)求证:
;
(2)求直线
与平面
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1019c0405370c673e37b46c066eba839.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1100a56e918f75ed6d955a802050f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7a63258b68e472bedca08381d47630.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e0346a3f335e7734772d32d9903f2cc.png)
![](https://img.xkw.com/dksih/QBM/2022/1/14/2894203289747456/2895176848891904/STEM/54939ee7-0352-4531-94f2-2104ea035dd9.png?resizew=196)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2187a6bf82f1d5e534274e12f96594be.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef00d4825584cf2a3f381de72c179e22.png)
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5卷引用:新疆乌苏市第一中学2022-2023学年高二上学期线上第二次月考数学试题
名校
解题方法
5 . 如图,在四棱台
中,底面为矩形,平面
⊥平面
,且
.
![](https://img.xkw.com/dksih/QBM/2021/12/27/2881490546802688/2886003972800512/STEM/0638c9bd-01e4-4fe8-87b4-2c1dc72ebd50.png?resizew=303)
(1)证明:
面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b04a2a39a060fb67b2c247c7db0a46d0.png)
(2)若
与平面
所成角为
,求锐二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd694ad3a4733c7c84aaa7946aeea4de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df8f540e06a3966c41a30ffa7458c018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8bc85055ac8f46caaf5d0101f10a50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29dc9d7935459879a7fa8550a47c094d.png)
![](https://img.xkw.com/dksih/QBM/2021/12/27/2881490546802688/2886003972800512/STEM/0638c9bd-01e4-4fe8-87b4-2c1dc72ebd50.png?resizew=303)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe4a49df7b0ed2729bdec1bca6a94f57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b04a2a39a060fb67b2c247c7db0a46d0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b771a919a059334671b00c678ce0f38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b04a2a39a060fb67b2c247c7db0a46d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7490e209d2f6154451d3ebbe66a60297.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0c00dc884490378da0c44528253584f.png)
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2022-01-02更新
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3卷引用:新疆维吾尔自治区乌鲁木齐市实验学校2024届高三上学期1月月考数学试题
解题方法
6 . 已知椭圆
的左、右顶点分别为
,右焦点为F(1,0),且椭圆C的离心率为
,M,N为椭圆C上任意两点,点P的坐标为(4,t)(t≠0),且满足
.
(1)求椭圆C的方程;
(2)证明:M,F,N三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae13b2a96f91ab64fb4948de2b0ae10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00c7f364b84038315d082ab6248467c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc35318e1b57d3dc9363573b5708916d.png)
(1)求椭圆C的方程;
(2)证明:M,F,N三点共线.
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名校
解题方法
7 . 已知点P与定点
的距离和它到定直线
的距离比是
.
(1)求点P的轨迹方程C;
(2)点M,N在C上,
且
,D为垂足.证明:存在定点Q,使得
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce176fdfbb44b8459f441a8d805013f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e93309062496a9c6d3dead5a9fa59c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526ddee4ed97b917d9e4cc4542c72a37.png)
(1)求点P的轨迹方程C;
(2)点M,N在C上,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ea1f5bdd213c7c3a571b4c38850bf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/368e8fe7aa6d3da98046a80626a70ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b5e0909915a39968fee2b2119c20b0c.png)
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2021-12-15更新
|
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3卷引用:新疆乌苏市第一中学2021-2022学年高二(4-26班)12月月考数学试题
名校
解题方法
8 . 过点
的任一直线
与抛物线
交于两点
,且
.
(1)求
的值.
(2)已知
为抛物线
上的两点,分别过
作抛物线
的切线
,且
,求证:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56286216c1c313e19f4a196fcaba6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31263c49eaccf5facc404ba0e9f1ad5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc373b9c9b02d64fd9875e87a02dce85.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ddb3a1b2a871719e05b126c8a11119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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6卷引用:新疆克拉玛依克拉玛依市独山子第二中学2022届高三12月数学试题
新疆克拉玛依克拉玛依市独山子第二中学2022届高三12月数学试题陕西省宝鸡市金台区2021-2022学年高三上学期11月教学质量检测理科数学试题陕西省宝鸡市金台区2021-2022学年高三上学期11月教学质量检测文科数学试题(已下线)一轮复习大题专练68—抛物线2(定点问题1)—2022届高三数学一轮复习(已下线)专题22 圆锥曲线中的定点、定值、定直线问题 微点1 圆锥曲线中的定点问题(已下线)专题11 解析几何2
名校
解题方法
9 . 已知抛物线
与直线
相交于A、B两点,O为坐标原点.
(1)求证:
;
(2)当
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e8953ded144195804384dcb494d5e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d0aafd52e26c241c46d0206f42f415.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45b188ace13b36790a423b141e0eefa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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8卷引用:新疆维吾尔自治区昌吉市第一中学2023-2024学年高二上学期12月月考数学试题
10 . 已知椭圆E:
的离心率为
,椭圆E的长轴长为2
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/e661ca75-054f-4ff9-acce-1d6299d99cba.png?resizew=252)
(1)求椭圆
的标准方程;
(2)设
,
,过
且斜率为
的动直线
与椭圆
交于
,
两点,直线
,
分别交☉C:
于异于点
的点
,
,设直线
的斜率为
,直线
,
的斜率分别为
.
①求证:
为定值;
②求证:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ccf0c04aa941ba20d5f4c6068b46b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/e661ca75-054f-4ff9-acce-1d6299d99cba.png?resizew=252)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71885f023172807ad43f2c9a670aa960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29610a3415c1e795d35979a5a9ff69f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e318cefab1d71238b6a770e9d5fe154e.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
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2021-12-15更新
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5卷引用:新疆乌鲁木齐市第八中学2021-2022学年高二上学期第二次月考数学(问卷)试题