名校
解题方法
1 . 对于一组向量
,
,
,
,
(
且
),令
,如果存在
,使得
,那么称
是该向量组的“1向量”.
(1)设
,
,若
是向量组
,
,
的“1向量”,求实数x的取值范围;
(2)若
,
,则向量组
,
,
,
,
是否存在“1向量”?若存在,求出“1向量”;若不存在,请说明理由;
(3)已知
,
,
均是向量组
,
,
的“1向量”,其中
,
.设在平面直角坐标系中有一点列
,
,
,
,
(
且
)满足:
为坐标原点,
,且
与
关于点
对称,
与
关于点
对称,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d344174267f996c7cefecfd6985d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e900404ba71110c5861ced9634646f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96948298d84df24e10c9a1ed3da62340.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd2c3166d0bfd9e64bdc85081445e95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527093b2ec760913d0dccff8a099248b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f323477e57003503694207cb16a685.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6bf5df9243d25b1fd1ef84e4a2e1479.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a36cd1fbc82360a6f0f422591ac05cd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de009d9df65374c870a4012cf5db28df.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3d9b654783082de6e90d338c5c454c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d344174267f996c7cefecfd6985d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e900404ba71110c5861ced9634646f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74da885934fa5f71f25b65d46346920c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d344174267f996c7cefecfd6985d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e900404ba71110c5861ced9634646f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbe509a56b477c79a288a227a737996.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d344174267f996c7cefecfd6985d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e900404ba71110c5861ced9634646f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d344174267f996c7cefecfd6985d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e900404ba71110c5861ced9634646f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9112bd58ae60d2516b67de408465ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca270240c9c1d115d3c60b58d1556c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f88df6d5230b66381897f960f5f512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b6b6467f94bbc9916e47bade380929b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f8101a8f0dfea30e5e05aa87c6abdcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d1fb46bb932bb6d0edb7617e1ed170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bb85da6db44b415f254d4ca0075ad07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f306a75051c9a11c92aa30a836a016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b5ea93b62e9b06f0060ab0d09e6633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc4dc226800792c55eaa32134041837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f13215fec5fb9d2a4f19a60ddc7fdb70.png)
您最近一年使用:0次
名校
解题方法
2 . 对于一组向量
,
,
,…,
,(
且
),令
,如果存在
,使得
,那么称
是该向量组的“长向量”.
(1)设
,
且
,若
是向量组
,
,
的“长向量”,求实数x的取值范围;
(2)若
,
且
,向量组
,
,
,…,
是否存在“长向量”?给出你的结论并说明理由;
(3)已知
,
,
均是向量组
,
,
的“长向量”,其中
,
.设在平面直角坐标系中有一点列
,
,
,…,
满足,
为坐标原点,
为
的位置向量的终点,且
与
关于点
对称,
与
(
且
)关于点
对称,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d344174267f996c7cefecfd6985d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e900404ba71110c5861ced9634646f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4a47bdc03f0ced8245c526c81593363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4613271f782a90ab580131d09d03d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92c1d22f02fa7f8f1ff1db3f322a9fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e955b4525bb55e72c131d829406df508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c98c622975aaf93ed0c63be1294d2170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f50ecfa147131019f969c3bc78169f7.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c33a899454f0d42377d4ea0324dd812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4613271f782a90ab580131d09d03d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d344174267f996c7cefecfd6985d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e900404ba71110c5861ced9634646f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74da885934fa5f71f25b65d46346920c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4613271f782a90ab580131d09d03d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d344174267f996c7cefecfd6985d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e900404ba71110c5861ced9634646f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a164fd6439284f1ff4a9b1f02d609f7.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d344174267f996c7cefecfd6985d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e900404ba71110c5861ced9634646f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d344174267f996c7cefecfd6985d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e900404ba71110c5861ced9634646f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9112bd58ae60d2516b67de408465ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca270240c9c1d115d3c60b58d1556c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82dc7540c4cdee4c34a9311c79b35d95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc4dc226800792c55eaa32134041837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f306a75051c9a11c92aa30a836a016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b5ea93b62e9b06f0060ab0d09e6633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc4dc226800792c55eaa32134041837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e10f2f74e201f77f853e9ed9078615c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8e57169c0d88ae0b680636653f4c860.png)
您最近一年使用:0次
2024-03-26更新
|
764次组卷
|
6卷引用:上海市建平中学2023-2024学年高一下学期第一次教学质量检测(3月月考)数学试卷
上海市建平中学2023-2024学年高一下学期第一次教学质量检测(3月月考)数学试卷安徽省安庆市第一中学2023-2024学年高一下学期第一次阶段检测数学试题(已下线)模块三专题4大题分类练(专题3 平面向量数量积)【高一下人教B版】(已下线)模块四 专题4 重组综合练(安徽)(已下线)期末测试卷01-《期末真题分类汇编》(上海专用)(已下线)考题猜想03 平面向量-期末考点大串讲(沪教版2020必修二)
名校
3 . 如果函数
的导数
,可记为
.若
,则
表示曲线
,直线
以及
轴围成的“曲边梯形”的面积.
(1)若
,且
,求
;
(2)已知
,证明:
,并解释其几何意义;
(3)证明:
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83d4d758bac9a7272c1d40a5ea4176c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edd8f5b33be6db5be0833f1801bd7a46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c6a5e6776e205fb09d8a689e1638947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/436ff3cf58de28b55f7605675a47d818.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8ed0afb829f4d5c61ce89a556376d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a0dc2a031743126b8b4fabb843a55bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc282dae4ac9132196ac5d13f63b901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c38abf9dbef1c45d9fd8143798fa0ea.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e59176a49cf2e21c94cf550888de88c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
您最近一年使用:0次
2024-02-20更新
|
2441次组卷
|
7卷引用:重庆市第八中学校2023-2024学年高三下学期入学适应性考试数学试题
重庆市第八中学校2023-2024学年高三下学期入学适应性考试数学试题(已下线)压轴题函数与导数新定义题(九省联考第19题模式)练(已下线)微考点2-5 新高考新试卷结构19题压轴题新定义导数试题分类汇编湖北省十一校2024届高三联考考后提升数学模拟训练一湖北省黄冈市浠水县第一中学2024届高三下学期第三次高考模拟数学试题(已下线)第5套 新高考全真模拟卷(二模重组)(已下线)压轴题01集合新定义、函数与导数13题型汇总-2
名校
4 . 对于集合
和常数
,定义:
为集合A相对的
的“余弦方差”.
(1)若集合
,
,求集合A相对
的“余弦方差”;
(2)判断集合
相对任何常数
的“余弦方差”是否为一个与
无关的定值,并说明理由;
(3)若集合
,
,
,相对任何常数
的“余弦方差”是一个与
无关的定值,求出
、
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8368b2cc0b5ea5bcde2e386e49f57641.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f37ae3830dc527152b7e18c28e5909a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bb71a4684bf66c31c8e40058dc58a3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35272ddbd63d2485769020d9839445f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
(2)判断集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47a9057370ac36b3d7c373f22793ffe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
(3)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/161f3fadff6b52f0f0af738f9b2f1883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7cbba6f130b84315180391c177d0c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90017bd261a3784dc0dab3c3e6c0ff1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
您最近一年使用:0次
2021-05-01更新
|
2589次组卷
|
12卷引用:上海市杨浦区控江中学2018-2019学年高一下学期期中数学试题
上海市杨浦区控江中学2018-2019学年高一下学期期中数学试题(已下线)第4讲+二倍角公式与三角变换的应用(练习)-【教育机构专用】2021年春季高一数学辅导讲义(沪教版2020必修第二册)江苏省无锡市天一中学2020-2021学年高一(强化班)上学期期末数学试题江苏省新区实验2020-2021学年高一下学期期中数学试题(已下线)专题02 三角函数 三角恒等变换(难点)-2020-2021学年高一数学下学期期末专项复习(北师大版2019必修第二册)江苏省苏州市实验中学2020-2021学年高一下学期期中数学试题(已下线)上海期末真题精选50题(大题压轴版)-2020-2021学年高一数学下册期中期末考试高分直通车(沪教版2020必修第二册)(已下线)第9课时 课后 两角和、差的余弦、正弦和正切公式(1)上海市川沙中学2021-2022学年高一下学期3月月考数学试题湖北省武汉市第四十三中学2021-2022学年高一下学期期中数学试题北京市西城区北京师范大学附属中学2021-2022学年高一下学期期末考试数学试题北京市大峪中学2023-2024学年高二上学期开学考试数学试题
名校
5 . 已知函数
,且函数
的图象与函数
的图象关于直线
对称.
(1)若存在
,使等式
成立,求实数m的最大值和最小值
(2)若当
时不等式
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6090334f2695f19382eed7425c4f9f44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6461468072bd27afd53fd5f9c3bf344.png)
(1)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2645398c3946e1a9282c219824f167d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9ebfe1a1b9426690757335c2649bb4.png)
(2)若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1fdb7ecc0b00a96bdf49f7189342bf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7fe88d3778573e668f4530405b29e6e.png)
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2020-01-30更新
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4卷引用:上海市七宝中学2016届高三上学期期中(理科)数学试题