名校
1 . 如图,在长方体
中,
,
,
.
平面
;
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f41d364b55d88688cd1f571ed231228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d934cc20f381844799378b12cd15afdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56fdf217165748fafe938b64fa08179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca307917add31c3aa66f228b5aad1ae.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15dc61d5de97b5a40be925b278ae494c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64eb66e4fa5ca4231b8ce2490eeb192b.png)
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7日内更新
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237次组卷
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4卷引用:贵州省六盘水市盘州市第一中学2023-2024学年高二上学期期末考试数学试题
2 . 若数列
和
的项数均为
,则将数列
和
的距离定义为
.
(1)求数列1,3,5,6和数列2,3,10,7的距离;
(2)记A为满足递推关系
的所有数列
的集合,数列
和
为A中的两个元素,且项数均为
.若
,
,数列
和
的距离
,求m的最大值;
(3)记S是所有7项数列
(其中
,
或1)的集合,
,且T中的任何两个元素的距离大于或等于3.求证:T中的元素个数小于或等于16.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58eb2bc16ca7ba6db8792eec6e2b48c0.png)
(1)求数列1,3,5,6和数列2,3,10,7的距离;
(2)记A为满足递推关系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23093a3f4c23494a943e3957596fee92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385275d29d8c8a7841eaeaa3dfab2cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2865594c03cd3cfcbf3216cdbf08fc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77cb4aa359781e637bd2232813fa8a24.png)
(3)记S是所有7项数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9d7457bc36b80660dc03b668674f065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31bd42f8e3f220a7b1c6f6945e73bc10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1c458592ba2d5ddd559b8720438a8fe.png)
您最近一年使用:0次
解题方法
3 . 在平面直角坐标系
中,已知直线
与抛物线C:
相切.
(1)求m的值;
(2)已知点
,
在抛物线C上,A,B分别位于第一象限和第四象限,且
,过A,B分别作直线
的垂线,垂足分别为
,
,当四边形
面积取最小值时,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec68c680d1b8c8cfa98b48a27d2c46a1.png)
(1)求m的值;
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82f8ec3a4456209b619d083b73f1218d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef00713e73b8357cc7900144f5505bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9edc50f7febbc2d5d8dcdc23a3630a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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解题方法
4 . 已知函数
图象上的点
与方程
的解
一一对应,则下列选项中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c0ec8aa466248a663cc603fdc06eeef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
A.![]() | B.0是![]() |
C.![]() ![]() | D.![]() |
您最近一年使用:0次
5 . 已知实数x,y满足
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f6ab027404b25dd4b24e2f28b898029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75e4db9cbb6496cce8141bddb83c51d6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
6 . 已知
的展开式中,第2项的系数与第3项的系数之比是
.
(1)求
的值;
(2)求展开式中的常数项.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/317479140e5ad94901eb5977b3d1f402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955bed8cd82419dbb2c62550ee494677.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)求展开式中的常数项.
您最近一年使用:0次
2024-04-03更新
|
966次组卷
|
6卷引用:贵州省六盘水市纽绅中学2023-2024学年高二下学期4月月考数学试题
贵州省六盘水市纽绅中学2023-2024学年高二下学期4月月考数学试题上海市进才中学2023-2024学年高二下学期期中考试数学试题(已下线)模块五 专题1 全真基础模拟1(苏教版高二期中研习)(已下线)第六章:计数原理章末重点题型复习(2)河北省石家庄四十一中2023-2024学年高二下学期期中数学试题江苏省扬州市扬州中学2023-2024学年高二下学期5月月考数学试题
解题方法
7 . 一条河南北两岸平行.如图所示,河面宽度
,一艘游船从南岸码头
点出发航行到北岸.游船在静水中的航行速度是
,水流速度
的大小为
.设
和
的夹角为
,北岸上的点
在点
的正北方向.
到达北岸
点所需时间为
,求
的大小和
的值;
(2)当
时,游船航行到北岸的实际航程是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24d22d19c32fcb0b7d11c6f51adb423.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f77dea92dc5b32a89ca4f2cdd6f9d8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1932f4bfe817bc4af0c20b90504662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ce1a110488841b2a1f3e6d4de2d9362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f77dea92dc5b32a89ca4f2cdd6f9d8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995f121d6107eb3a755aa088a32701fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ecf80448f3ea9f6481e10781126f9c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6024fd4532f5f981deac4582c799a6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ff4dd5b7279fc9797cca88061b0202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f77dea92dc5b32a89ca4f2cdd6f9d8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e7e7773cad5f7bd570252ef3046e651.png)
您最近一年使用:0次
2024-03-29更新
|
314次组卷
|
7卷引用:贵州省六盘水市第四中学2023-2024学年高一下学期第一次月考数学试卷
贵州省六盘水市第四中学2023-2024学年高一下学期第一次月考数学试卷福建省部分优质高中2023-2024学年高一下学期第一次阶段性检测数学试卷(已下线)第八章 平面向量(知识归纳+题型突破)(2)-单元速记·巧练(沪教版2020必修第二册)山东省百师联盟2023-2024学年高一下学期3月大联考数学试题(已下线)模块一专题3 《平面向量的应用》A基础卷(苏教版)(已下线)模块一 专题4 平面向量的数量积 A基础卷(人教B版)(已下线)模块一 专题5平面向量的数量积 A基础卷(北师大版高一期中)
8 . 已知函数
,其中
且
.
(1)求
的值,判断
的奇偶性并证明;
(2)函数
有零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af1ee79efe2e33eacd7eb80c82263e84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4c78214e43a8b93f2a57072033cbcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4266704cf6a09ed98228ee26d91f402c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b77d8fd3ed34166e990b3d79b03b57e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
9 . 已知椭圆
的左、右焦点分别为
,左、右顶点分别为
.
为椭圆
上任意一点,且
的最大值为3,最小值为1.
(1)求椭圆
的标准方程;
(2)过点
的直线
与椭圆
交于
两点(均异于
),求直线
与
交点的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f98254a6193566587a70c7d95fdabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed2988e435ffb7935d49569ee824262f.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/f4ef569668e797b1e94257fd5f4384dd.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/3648c864f9f58da1dbb166fee84cfeaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed2988e435ffb7935d49569ee824262f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce1b066f8869d0ff4513f7a99745125.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32f1d6db99180ae7ee8af66f423dded.png)
您最近一年使用:0次
10 . 已知函数
.
(1)若
是偶函数,求实数
的值;
(2)当
时,
,若关于
的方程
在区间
上恰有1个实数解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06eeb6ee6acf06beac15b9ba0d44cdba.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14f7eb9e5d0d2dc6c8897f6c7863518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfa0b6033aba3978ab687ce54d35f58b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a13f3df2e1a444f41bc132431848eaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次