1 . 已知
,给出下列命题:①
的图象关于点
对称;②
的值域为
;③
在区间
上有33个零点;④若方程
在区间
有4个不同的解
,其中
,则
的取值范围是
.其中所有正确命题的序号为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/129be9bb55128c679bbc588fa7e63f62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8c5671c7a231e69641186f554755f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378c3d729d1d0bf2b2c0ece2da407038.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaf339f342957d390daf5be25fe933ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f62acf7b2e380cd659f33f503a2a74d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004f0cecc857b24d535272fe84ecd19e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d138ce9e3abdd755f24834eadb10eb54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c7d6dda12b3f1ea472296bef3c10669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f13113ce731797a3dc018c82041ce3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0652d0d3e33b123bea077cb6573c5e6f.png)
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2 . 若函数
(其中
)在区间
上恰有4个零点,则a的取值范围为___________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aace095eebc2d644e1e1c4bb088c1110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab90f84a9b6ec1334ce6fc12495ec218.png)
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2024-03-25更新
|
1569次组卷
|
3卷引用:浙江省杭州学军中学2024届高三下学期4月适应性测试数学试题
名校
3 . 对于给定的正整数n,记集合
,其中元素
称为一个n维向量.特别地,
称为零向量.设
,
,
,定义加法和数乘:
,
.对一组向量
,
,…,
,若存在一组不全为零的实数
,
,…,
,使得
,则称这组向量线性相关.否则,称为线性无关.
(1)对
,判断下列各组向量是线性相关还是线性无关,并说明理由.
①
,
;
②
,
,
.
(2)已知
,
,
线性无关,判断
,
,
是线性相关还是线性无关,并说明理由.
(3)已知
个向量
,
,…,
线性相关,但其中任意
个都线性无关,证明:
①如果存在等式
(
,
,2,3,…,m),则这些系数
,
,…,
或者全为零,或者全不为零;
②如果两个等式
,
(
,
,
,2,3,…,m)同时成立,其中
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c268e3b7bce8f372d990464c87444b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2780422eefb9e85b89074a1ba2a159d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe49f7818e5ad16acee2d6465bd32167.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45895410f2b24085e0b2c0ef4e3972d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/199d8b6bed52403a6f5f5427a9fd4d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c94465dc3bf780fc91c040d1a3bb8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e138e8b9bb05f0ea5b9fad817c465d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d21ce8a9960521a88f436e422517acb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a40932863dcc8cb8356bbd487eaf196.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d43fd777be9b2e4fdfe3fbe9a7cdde79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df4c00a7ff8e54eee5d229103909102a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d2dc187e5bae6ab191f2442948763ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ecd09e653f57627caa3093b66e6b75c.png)
(1)对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55be88844fc52fee28e0bd37a81a77d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a34022ff1222ec7909d44b690b2bc4e.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55be88844fc52fee28e0bd37a81a77d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a34022ff1222ec7909d44b690b2bc4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b6a62632a7b6a6cfbf8048bb87f73e.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2780422eefb9e85b89074a1ba2a159d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433a8c622b44e1aa29e9989e6978dd7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce37584c2347198ce2aa9a662ae5e39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebcb29b663cf1fb1ff2b3c9d1a7aebf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f55a2d5150f65f9827dd0d60a7472d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c5540f4fca1858710a56dbcd89c987f.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26b7acc609f1148cfa29b8b05c638ad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a40932863dcc8cb8356bbd487eaf196.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d43fd777be9b2e4fdfe3fbe9a7cdde79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c0c36e75691a88bd6e38e6269e69fef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f1e94f660b7d05de4be4b5fbd9041f4.png)
①如果存在等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae8a8ca9b95636ba10a90ad24fa041e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e50ceb44b2b2d9e16bee41f43e88c2d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c45176df950dfe48b8ca7eac08ee349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27628b047da341c79074ea4aa938ddc8.png)
②如果两个等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae8a8ca9b95636ba10a90ad24fa041e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b55fdee5ba9c4308c4b66f691c868f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e50ceb44b2b2d9e16bee41f43e88c2d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb35f7f9c781125fa15af1a0bafd440f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c45176df950dfe48b8ca7eac08ee349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94c7e640eee0dfb154aa815091d1c7ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecd9175a6d8d1d75238a4b60db254846.png)
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解题方法
4 . 质点
和
在以坐标原点
为圆心,半径为1的圆
上逆时针做匀速圆周运动,同时出发.
的角速度大小为
,起点为圆
与
轴正半轴的交点,
的角速度大小为
,起点为角
的终边与圆
的交点,则当
与
重合时,
的坐标不可以 为( )
![](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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0513d14384fa76fd284f63ff4d8f08bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dd026aad29668faffc99cd5f3e0930b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2f9ee07c64f43efb8144721f3ae222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-02-13更新
|
713次组卷
|
12卷引用:广东省东莞市东华高级中学2024届高三上学期第二次调研数学试题
广东省东莞市东华高级中学2024届高三上学期第二次调研数学试题江苏省宜兴中学、泰兴中学、泰州中学2023-2024学年高一上学期12月联合质量检测数学试卷河北省保定市清苑区清苑中学2023-2024学年高一上学期第三阶段综合考试数学试题(已下线)考点3 诱导公式的应用 --2024届高考数学考点总动员【练】湖南省株洲市二中教育集团2023-2024学年高一下学期第三次阶段性检测数学试题(A卷)(已下线)专题07 任意角、弧度制、三角函数概念及诱导公式2-期末复习重难培优与单元检测(人教A版2019)(已下线)专题07 三角函数的概念与诱导公式(1)-【寒假自学课】(苏教版2019)【第三练】5.3诱导公式(已下线)专题20诱导公式-【倍速学习法】(人教A版2019必修第一册)湖北省A9高中联盟2023-2024学年高一上学期期末联考数学试题(已下线)7.2.4 诱导公式-【帮课堂】(人教B版2019必修第三册)(已下线)模块五 专题4 全真能力模拟2(北师版高一期中)
解题方法
5 . 已知
的图象与直线
在区间
上存在两个交点,则当
最大时,曲线
的对称轴为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3899b3b9438b03a6d3029ffcf3a2a4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46111e4d12c21798aa213c0d7804c2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2023-11-03更新
|
1075次组卷
|
3卷引用:江苏省徐州市普高联考(求实高中等)2023-2024学年高三上学期测评(三)数学试题
名校
6 .
的周长为18,若
,则
的内切圆半径的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/888e7899a7d6b769a2151154d18ac1f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.1 | B.![]() | C.2 | D.4 |
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解题方法
7 . 把符号称为二阶行列式,规定它的运算法则为
.已知函数
.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b3cf0f585938ede9eca890a6eb326d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388d3d213a231cccf854a29eef611d01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5224a7da7fe6bc28971ce4c277f88588.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33f504fcfe5b1116cdcdfa37fccae8a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24eb36914c5d05da7d3e23900f0b4124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9e2227004f51fac55c38578e2843acf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e37ee5f5ea8640aae6193de160c9ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2023-09-21更新
|
920次组卷
|
4卷引用:湖南省邵阳市邵东市第三中学2024届高三实验班上学期第二次月考数学试题
名校
8 . 已知函数
.
(1)求函数
的单调递增区间;
(2)若
,存在
,对任意
,有
恒成立,求
的最小值;
(3)若函数
在
内恰有2023个零点,求
与
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2594baf2181f6fe3c8c6ab03025ad5d9.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c64577552ee95bfce0c11e4f24dc1699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5223ece2f8f76850c49e2505304532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d6cde03a4f2e49579650b7704598a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1617144e812815a6963c0a03725cd463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56b859c06fb2c7f9e8685e3adf8cfbf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2023-07-16更新
|
1428次组卷
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9卷引用:辽宁省沈阳市东北育才学校少儿部2023-2024学年高三上学期第一次模拟考试数学试题
辽宁省沈阳市东北育才学校少儿部2023-2024学年高三上学期第一次模拟考试数学试题江西省上饶市2022-2023学年高一下学期期末教学质量测试数学试题江西省都昌县第一中学2023-2024学年高二上学期入学考试数学试题(已下线)第五章 三角函数(压轴题专练)-速记·巧练(人教A版2019必修第一册)(已下线)专题5.11 三角函数全章综合测试卷(提高篇)-举一反三系列(已下线)高一上学期期末数学试卷(提高篇)-举一反三系列(已下线)高一上学期期末考试解答题压轴题50题专练-举一反三系列(已下线)福建省部分学校教学联盟2023-2024学年高一下学期开学质量监测数学试题(已下线)专题04 三角函数恒等变形综合大题归类 -期末考点大串讲(苏教版(2019))
名校
9 . 已知
中,
,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0feae1228d8a659d5b28676f8ac8d25b.png)
的最小值为
,若P为边AB上任意一点,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00dc923e1b4f6a795bfd70cd698dfdd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf13d86d78123424a56ef6ccb839bef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0feae1228d8a659d5b28676f8ac8d25b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8961aea10a87f52c493adf1fce4a470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bea2ee6084ccda017840830036dddc23.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-04-10更新
|
2133次组卷
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4卷引用:天津市第四十七中学2023-2024学年高三上学期第一次阶段性检测数学试题
天津市第四十七中学2023-2024学年高三上学期第一次阶段性检测数学试题辽宁省沈阳市第二十中学2022-2023学年高一下学期期初考试数学试题湖南省常德市津市市第一中学2023-2024学年高一下学期4月月考数学试题(已下线)第一次月考选择题压轴题十四大题型专练-举一反三系列
10 . 已知
,
为圆
上的两个动点,
,
是
的中点,则点
的轨迹方程是______ ;若点
为直线
上一动点,则
的最小值为______ .
![](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/79382ba44ba669b5d43fdd5427adf16c.png)
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