1 . 双曲线
的一个焦点坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9797634a42031284177e5a6fd5959e39.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-11-29更新
|
488次组卷
|
3卷引用:云南省十五所名校2022届高三11月联考数学(理)试题
名校
解题方法
2 . 已知椭圆
:
的离心率为
,且点
为椭圆
上一点.
(1)求椭圆
的方程.
(2)已知
,直线
:
交椭圆
于A,B两点,证明:直线PA斜率与直线PB斜率之积为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9fef6303da730c2ced7f3fbd5e2103d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc422fb174b7424f0b3b297c72aa610d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b640d61e4d350824c645279f9da151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4cd13b1f570f617c7a409b08555079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2021-11-28更新
|
1169次组卷
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6卷引用:云南省十五所名校2022届高三11月联考数学(理)试题
名校
解题方法
3 . 若抛物线
的交点为F,过F作直线l与抛物线
交于A,B两点,分别以线段AF,BF为直径作圆
和圆
.
(1)证明:圆
和圆
均与y轴相切;
(2)设圆
与y轴相切于点D,圆
与y相切于点E,求
的值,并求
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1354240a807d0da2b51a19e055140165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)证明:圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c19410c7abeae002ca97cfad4c791f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
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2卷引用:云南省昆明市第一中学2022届高三上学期第四期联考数学(文)试题
名校
4 . 已知
,
分别为双曲线
的左右焦点,过
作一条直线l与双曲线的右支交于P,Q两点,若
,则
的周长为( )
![](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/1892b7c3cd7bea116f532f66fba44662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37d10c567c0419ae04df94f2ccf48992.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f744ab198210340a54adb2ae4a6b9b.png)
A.8 | B.10 | C.12 | D.14 |
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7卷引用:云南省昆明市第一中学2022届高三上学期第四期联考数学(文)试题
云南省昆明市第一中学2022届高三上学期第四期联考数学(文)试题云南省昆明市第一中学2022届高三上学期第四期联考数学(理)试题云南省弥勒市第一中学2021-2022学年高二上学期第四次月考数学试题(已下线)专题2.2 模拟卷(2)-2022年高考数学大数据精选模拟卷(新高考地区专用)河南省安阳市安东新区第一高级中学2021-2022学年高二上学期12月考试数学试题(已下线)2.6.1 双曲线的标准方程(2)3.2.1 双曲线的标准方程(同步练习基础版)
名校
解题方法
5 . 已知三棱锥
中,平面
平面
,
,
,点C到点A,B的距离之和为10,设直线PC与平面ABC所成的角为
,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72dfe98fd44fa179acc3623bfcc30cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
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2卷引用:云南省昆明市第一中学2022届高三上学期第四期联考数学(文)试题
名校
解题方法
6 . 双曲线
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1653c086d557b1845d82c2d4d8231f8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
7 . 抛物线
:
的焦点为
,准线为
,过点
作直线
与抛物线交于点
,
,
在第四象限,连
(
为
的顶点)并延长交
于点
,过
作
垂直于
轴,垂足为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14bd426e7e1e65d91394da0b28d49f65.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/bbe115831e7a4a0cccfa3b4bd2e9943f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.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/cc00af98b5c472a9c68aaea61aec8849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14bd426e7e1e65d91394da0b28d49f65.png)
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2卷引用:云南省峨山彝族自治县第一中学2022届高三10月测试数学(理)试题
名校
8 . 正方体
中,
,
分别为
,
的中点,
是边
上的一个点(包括端点),
是平面
上一动点,满足直线
与直线
夹角与直线
与直线
的夹角相等,则点
所在轨迹为( )
![](https://img.xkw.com/dksih/QBM/2021/10/24/2836516336295936/2841464918081536/STEM/a68ecb47228a42bb9690bc835c040fe9.png?resizew=174)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc9104c2027ce95a663dfd92d68835a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3171b3d11c6f4619e189677345357508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/2021/10/24/2836516336295936/2841464918081536/STEM/a68ecb47228a42bb9690bc835c040fe9.png?resizew=174)
A.椭圆 | B.双曲线 | C.抛物线 | D.抛物线或双曲线 |
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名校
解题方法
9 . 已知椭圆
:
的离心率为
,且椭圆
上的点到焦点距离的最大值为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/84f90f99-7d11-459d-ae1a-b8ccfe559a39.png?resizew=192)
(1)求椭圆
的方程;
(2)设椭圆
:
,
为椭圆
上任意一点,过点
的直线
交椭圆
于
、
两点,射线
交椭圆
于点
.
①证明:
为定值;
②求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ddf2ae04265e2cbf674ab40bba45c7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/84f90f99-7d11-459d-ae1a-b8ccfe559a39.png?resizew=192)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3770921a95b787f6dfa94563eba74155.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/dad2a36927223bd70f426ba06aea4b45.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
①证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1af85d7d00c86d0dfdfe68e5285fe573.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b17f20c25bb16153b5f2d25062ed7a7.png)
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解题方法
10 . 双曲线
的左、右焦点分别为F1,F2,直线l过F1与C的左支和右支分别交于A,B两点,
是等边三角形,若x轴上存在点Q且满足
,则C的离心率为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34b9425a4639509c2954f8a9bd705ca6.png)
您最近一年使用:0次
2021-10-30更新
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2916次组卷
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5卷引用:云南省师范大学附属中学2022届高三高考适应性月考卷(四)数学(文)试题
云南省师范大学附属中学2022届高三高考适应性月考卷(四)数学(文)试题福建省厦门市第一中学2022届高三12月月考数学试题(已下线)考向41 双曲线江西省南昌市八一中学、洪都中学等4校2021-2022学年高二上学期期中联考数学(理)试题(已下线)数学-2022届高三下学期开学摸底考试卷B(理科)(新课标专用)