名校
解题方法
1 . 已知动圆
过点
并且与圆
:
相外切,动圆圆心
的轨迹为
.
(1)求曲线
的轨迹方程;
(2)过点
的直线
与轨迹
交于
两点,设直线
:
,设点
,直线
交
于
,求证:直线
经过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16fd15503ee692f8286b0312f7c6f0cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d9391f3a924bf54857150a5cec3096a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16fd15503ee692f8286b0312f7c6f0cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b650820d7bed48ed67a2869ad8c65ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ab82c33e6c1f8b73628fa78e6868b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.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/e69d2b798744645af88a4fa411344a83.png)
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2 . 如图所示,在四棱锥
中,底面ABCD是正方形,侧棱PD⊥底面ABCD,PD=DC,E是PC的中点,作EF⊥PB,交PB于点F,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/17/4a030ef0-5e27-4009-b1a7-6f0b4a13ceb0.png?resizew=158)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/17/4a030ef0-5e27-4009-b1a7-6f0b4a13ceb0.png?resizew=158)
A.![]() |
B.PB⊥平面EFD |
C.直线PB与平面ABCD所成的角的余弦值为![]() |
D.平面CPB与平面PBD夹角的大小为60° |
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3 . 如图所示,圆台的上、下底面圆半径分别为
和
,
为圆台的两条不同的母线.
;
(2)截面
与下底面所成的夹角大小为
,且截面截得圆台上底面圆的劣弧
的长度为
,求截面
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/095ab4a92bf822e175d370e6d0c8a730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd6f4250ca6b1b9bce234a01f00d44d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c95c0160e73beb94a4a1cbc0168e9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147ce46290b9aeb0092af30b2d3001c7.png)
(2)截面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8a3d5d669ac76a2ffb07da81d949adf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/813b03f3d13783ee2cb12a81ce6fd07b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
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8卷引用:湖南省邵阳市2024届高三第一次联考数学试题
湖南省邵阳市2024届高三第一次联考数学试题(已下线)模块7 空间几何篇 第2讲:立体几何的截面问题【练】2024届高三新改革数学模拟预测训练一(九省联考题型)(已下线)2024年高考数学二轮复习测试卷(新题型,江苏专用)(已下线)第3套-复盘卷(已下线)微考点5-2 新高考新试卷结构立体几何解答题中与旋转体有关的问题(已下线)信息必刷卷01(江苏专用,2024新题型)湖南省长沙市长郡中学2024届高三下学期模拟(一)数学试卷
4 . 已知椭圆
的短轴长为
,左顶点到左焦点的距离为1.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/b06331b6-7b18-4829-8194-a9d22986ef2b.png?resizew=200)
(1)求椭圆
的标准方程;
(2)如图所示,点A是椭圆
的右顶点,过点
的直线
与椭圆
交于不同的两点
,且都在
轴的上方,点
的坐标为
.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/b06331b6-7b18-4829-8194-a9d22986ef2b.png?resizew=200)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)如图所示,点A是椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02db6c758f1871212d89e22d91a84de.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/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c731d9f96fc36f7139fc4cc32ee634dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d08dbfd03288ff12e7365b0e6331a3f.png)
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解题方法
5 . 若抛物线
上一点
到焦点的距离是
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c61622eb7fa6fabe6bd361bd5aa6107.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/088e64b5f92b841f7511365c0f624c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-26更新
|
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5卷引用:湖南省邵阳市2024届高三第一次联考数学试题
湖南省邵阳市2024届高三第一次联考数学试题福建省莆田市莆田第一中学2024届高三上学期第一次调研数学试题(已下线)高考数学冲刺押题卷01(2024新题型)(已下线)2024年高考数学全真模拟卷05(新题型地区专用)(已下线)专题8.4 抛物线综合【八大题型】
6 . 已知椭圆和双曲线有相同的焦点
,它们的离心率分别为
,点
为它们的一个交点,且
.当
取最小值时,
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f994a876391534efe497dc115a53e3fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e4a28404dc2c6dfe998647fa6033169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1e4be82770e93b8a773fcc60efb7955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/582c6bd5d7bd4d9aed58c1ca0b4264a6.png)
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解题方法
7 . 已知椭圆
的短轴长为
,右顶点到右焦点的距离为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/31/859f3ebc-9ff1-45ba-83bf-d1041f52cf58.png?resizew=169)
(1)求椭圆
的标准方程;
(2)如图所示,设点
是椭圆
的右顶点.过点
的直线
与椭圆
相交于不同的两点
,且都在
轴的上方.在
轴上是否存在点
,使
,若存在,请求出点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/31/859f3ebc-9ff1-45ba-83bf-d1041f52cf58.png?resizew=169)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)如图所示,设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb442fb1fe1a5d9768cf11c3e1b7ec5b.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/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d08dbfd03288ff12e7365b0e6331a3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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2卷引用:湖南省邵阳市2024届高三第一次联考数学试题
名校
8 . 如图所示,圆台的上、下底面圆半径分别为
和
为圆台的两条不同的母线.
分别为圆台的上、下底面圆的圆心,且
为等边三角形.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/d1ec33ef-6414-439c-8a01-5fe56fdfd595.png?resizew=153)
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
;
(2)截面
与下底面所成的夹角大小为
,求异面直线
与
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c78d0ab561d0c9bb9099772c596af8bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a7d791489abcbe5a60c359093981fe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cef469b1ee29d124cfd6f62423724cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/d1ec33ef-6414-439c-8a01-5fe56fdfd595.png?resizew=153)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)截面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d57c8c293377c6dd5d5aadd5e22b33.png)
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3卷引用:湖南省邵阳市2024届高三第一次联考数学试题
解题方法
9 . 已知椭圆和双曲线有相同的焦点
,它们的离心率分别为
,点
为它们的一个交点,且
.当
取最小值时,
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f994a876391534efe497dc115a53e3fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d432bcd7c9767b85bd4f95e7e81f7a9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df65dbf36949aecc9a6997716c76290f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/582c6bd5d7bd4d9aed58c1ca0b4264a6.png)
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解题方法
10 . 若抛物线
上一点
到焦点的距离是
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8516f71467b419293fa27df70bdaed74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c44dd995e90ed3d9189ba452574b5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd01530e985e5fa24b2dfdd31f7d96db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6卷引用:湖南省邵阳市2024届高三第一次联考数学试题
湖南省邵阳市2024届高三第一次联考数学试题河北省部分学校2024届高三上学期摸底考试数学试题(已下线)最新模拟重组精华卷1---模块一 各地期末考试精选汇编(已下线)黄金卷03(2024新题型)(已下线)专题07 直线与圆、圆锥曲线湖南省衡阳市第八中学2024届高三下学期适应考试数学试题