1 . 如图,曲线
是以原点O为中心,
,
为焦点的椭圆的一部分,曲线
是以O为顶点,
为焦点的抛物线的一部分,
是
和
的交点,我们把
和
合成的曲线W称为“月蚀圆”.
所在椭圆和
所在抛物线的标准方程;
(2)过
作与y轴不垂直的直线l,l与W依次交于B,C,D,E四点,P,Q为
所在抛物线的准线上两点,M,N分别为CD,BE的中点.设
,
,
,
分别表示
,
,
,
的面积,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd38dfea1366aaf54ae7d33e6d8a0a90.png)
![](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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f30f56664446f32dbbc2c5f12a99374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177678001b2ccde1db8f57fa5e017002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b52af1d93cf91437881f823ad19623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb9bcf5b109569e6f047c31a7ca9d72e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/845ff4183b0ea6c866247eefc6ea4be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/add9278c504368ce1edca9d7ab1ac751.png)
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2024-06-11更新
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374次组卷
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3卷引用:福建省漳州市第三中学2024届高三下学期高考全真模拟考试数学试题
名校
2 . 在棱长为2的正方体
中,
分别是
的中点,
是线段
上的动点(不含端点),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9369aed2d8309af46ac3eaffb9cce537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ef92425dcb553a585721522c904739c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94ce22f30a8de2af135de3c89403aff.png)
A.存在点![]() ![]() ![]() |
B.存在点![]() ![]() ![]() ![]() |
C.过![]() ![]() |
D.过![]() ![]() |
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名校
3 . 已知函数
的图象在
处的切线过点
.
(1)求
在
上的最小值;
(2)判断
在
内零点的个数,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c658fcc638032c851f306a7344633a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cf818dd484cc4cebd40a5f28eb8e9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/230b59c53740bcdd3ceca2cd9f860a7b.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aecfa6fa4f19b36faec90efba4fe2f7.png)
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2024-06-10更新
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610次组卷
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4卷引用:2024届福建省宁德市普通高中毕业班五月质量检测数学试题
解题方法
4 . 在n维空间中(
,
),以单位长度为边长的“立方体”的顶点坐标可表示为n维坐标
,其中
.则5维“立方体”的顶点个数是______ ;定义:在n维空间中两点
与
的曼哈顿距离为
.在5维“立方体”的顶点中任取两个不同的顶点,记随机变量X为所取两点间的曼哈顿距离,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5b9249c10ae3896e2ee96bfa1a153e5.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d290a4927c50661098e2fbea58d77b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d12ef4978f1c6950a15dbb74de54ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e0ff46af0be5cdceb8d731a8d5f79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d12ef4978f1c6950a15dbb74de54ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b704578274fbbbe135c7ee5d7ccfdb9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c2385ec6c558ffbe8973085a0f5e17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5b9249c10ae3896e2ee96bfa1a153e5.png)
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解题方法
5 . 已知双曲线
左、右焦点分别为
,过
的直线与
的渐近线
及右支分别交于
两点,若
,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78ffc09a6f8e52f8e902ee949f73f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d12a19811eb0c13c121c41b98c4ade6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.2 | C.![]() | D.3 |
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2024-06-08更新
|
550次组卷
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2卷引用:福建省漳州市2024届高三毕业班第四次教学质量检测数学试题
名校
解题方法
6 . 在
中,
,
为
内一点,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc1bf25d6d5e19e61b8e30e1f50d23db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bcf905f3910d9238a44ef647835b3d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/744d824921dbdfe961d73f8296efef84.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-06-08更新
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1642次组卷
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5卷引用:福建省福州市福建师范大学附属中学2024届高三下学期校模拟考试数学试题
福建省福州市福建师范大学附属中学2024届高三下学期校模拟考试数学试题山东省枣庄市2024届高三三调数学试题山东省青岛市2024届高三下学期第二次适应性检测数学试题(已下线)山东省济南市2024届高三下学期5月适应性考试(三模)数学试题广西南宁市第三中学2024届高三下学期校二模数学试题
7 . 函数
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4cec4155e87d372a443f337bf62f2af.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() ![]() |
C.对任意![]() ![]() ![]() |
D.存在![]() ![]() ![]() |
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2024-06-08更新
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213次组卷
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7卷引用:福建省三明第一中学2023届高三上学期第二次月考数学试题
福建省三明第一中学2023届高三上学期第二次月考数学试题山东师范大学附属中学2022届高三下学期高考考前检测(打靶题)数学试题(已下线)专题09导数与函数的单调性-2022年新高三数学暑假自学课精讲精练(已下线)第40练 导数在研究函数中的应用河北省唐县第一中学2022-2023学年高二上学期9月月考数学试题辽宁省沈阳市东北育才学校科学高中部2023-2024学年高二下学期期中考试数学试题江西省宜春市丰城中学2023-2024学年高一下学期第三次段考(5月月考)数学试题
解题方法
8 . 如图1,将三棱锥型礼盒
的打结点
解开,其平面展开图为矩形,如图2,其中A,B,C,D分别为矩形各边的中点,则在图1中( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/17/6b73349b-e32d-4caa-9721-9560b4356152.png?resizew=308)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/17/6b73349b-e32d-4caa-9721-9560b4356152.png?resizew=308)
A.![]() | B.![]() |
C.![]() ![]() | D.三棱锥![]() ![]() |
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9 . 在正四棱台
中,
,
,且该正四棱台的每个顶点均在表面积为
的球
上,则平面
截球
所得截面的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae5a64bcb77f5f64e4af6930c249a270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/572d44de660d3975ee8c55a07cfa01b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d80f16c3278cd252725625dcf253cda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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10 . 古希腊著名数学家阿波罗尼斯发现:若动点M与两个定点A,B的距离之比为常数
(
,
),则点M的轨迹是圆.后来,人们将这个圆以他的名字命名,称为阿波罗尼斯圆,简称阿氏圆.已知
,M是平面内一动点,且
,则点M的轨迹方程为________ .若点Р在圆
上,则
的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472393b18c7880e73b40e31fbe2d951c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de1e68a8b84c7062f763dd06beef5383.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a28ad58f426c58a9b2b89be292191dc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f817d5f7090558cffccf8c3cd82c0493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d183e00fa84e9df65c1e90d6b647c872.png)
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