名校
解题方法
1 . 已知函数,若对任意
都有
,则实数a的取值范围是( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 如图,在矩形
中,
,点
分别在线段
上,且
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5203b16524b496a7272b5735aad23ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481e426224c3a3ce9bb5a731eed81c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d64d3311a2bb737e151961dcb72692dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59809f2fa9ce4c833cdf5fe102feb8d8.png)
您最近一年使用:0次
2024-03-21更新
|
1723次组卷
|
4卷引用:重庆市沙坪坝区部分学校2023-2024学年高一下学期4月阶段检测数学试题
名校
3 . 定义非零向量
若函数解析式满足
,则称
为向量
的“
伴生函数”,向量
为函数
的“源向量”.
(1)已知向量
为函数
的“源向量”,若方程
在
上有且仅有四个不相等的实数根,求实数
的取值范围;
(2)已知点
满足
,向量
的“
伴生函数”
在
时取得最大值,当点
运动时,求
的取值范围;
(3)已知向量
的“
伴生函数”
在
时的取值为
.若在三角形
中,
,
,若点
为该三角形的外心,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefeca842285cfe6a09ee79a8d4108d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eeb34e5f4dbd027466a86df156fa7c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72850427e83ff19a24305783e080b280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(1)已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/801d2cd298e1db6dc7bad6fc634988f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/750b32f4a65ac47869454623571acaac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/646ff4c9568c69355999bd80def2d8a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7325df3658628e64a870bd4670e10a54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/303da3900e7d236e218a004f1a1b7e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72850427e83ff19a24305783e080b280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c49ca8562b98657ca9c499093f7233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b53b86bd516400d6fa7dabb3603f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0497ee4207717773f0154aaa594a6123.png)
(3)已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a359f9aeb5add5377519c6f7650ae6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f196f6236188084f3b2c9f2b68c05c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f7b16d65f1b2b8bea8cf4a83fde925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ea52361458ce2e49ed0fe99d8e6c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da3e0f58ca588ad6103788815c053fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15167b49aad18e17a3b4e58ad6b61c13.png)
您最近一年使用:0次
2024-02-27更新
|
693次组卷
|
6卷引用:重庆市沙坪坝区部分学校2023-2024学年高一下学期4月阶段检测数学试题
名校
解题方法
4 . 已知函数
.
(1)若方程
恰有两个不同的正根,求实数
的取值范围;
(2)若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5e379be7e59917c3048773005d72568.png)
①求
在
上的最大值
;
②若
,对
有:
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/962c3a71145a926d4d5a93e7c0ca0bb2.png)
(1)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72887c5ebdf00bf0e33c675bc1c3fab3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5e379be7e59917c3048773005d72568.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210e75c35fb455d0446eb7ddba7d79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb4068ea539526f142b8d26dbb622be.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7725e8ffa805d7744a46bde68549e00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c7e73075eb82517587ea69bb59ecc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ed61ead7b2076e3fb8742eebb8d875f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5 . 若命题
:存在
,
,命题
:二次函数
在
的图像恒在
轴上方
(1)若命题
,
中均为假命题,求
的取值范围?
(2)对任意的
,使得不等式
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95842ad442c7f6d5ec4b32939b929e63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e406ec07ad53f16c81b0af8c9dd1c762.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2707db73fc05ef04f5df58938bd83ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95842ad442c7f6d5ec4b32939b929e63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b89c33bf8803c80b65d4ebd7746645e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380ce0b3a94006145389b1b2b1c8ae46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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名校
解题方法
6 . 已知
,非空集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/898fb2bc424ef45953524510f82ae36f.png)
(1)证明:
的充要条件是
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d7ed6f4b0e08cd887d2fdc2a5e37e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/898fb2bc424ef45953524510f82ae36f.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8cdf3fa28452900663354a54a8f3175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a783088120d67cc98936081e80fb7f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c98816a922b6dd4704b3f95adc77cb7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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7 . 方程
的实根的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f1394b249a197631e93c6f3d8cb78a.png)
A.1 | B.2 | C.3 | D.4 |
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名校
8 . 已知有限集合
,定义集合
中的元素个数为集合
的“容量”,记为
.若集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aacb0cef0b4732cd149dbf81db44835d.png)
__________ ;若集合
,且
,则正整数
的值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb9e56ab45ddf991ae24983027e04b08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30502b549c09cd1094e061090e64e866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20929ac73a0217b33cd41f6aa86cf29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ebc3da55cca67bac55ace85a5f4c556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aacb0cef0b4732cd149dbf81db44835d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc0e7c8479f8f57d2b4d29dbab700753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6532556ff662731db6be89bee77a8b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2023-09-19更新
|
292次组卷
|
2卷引用:重庆市南开中学校2023-2024学年高一上学期开学考试数学试题
名校
9 . 若一个四位数M的个位数字与十位数字的平方和恰好是M去掉个位与十位数字后得到的两位数,则这个四位数M为“勾股和数”.例如:
,
,
是“勾股和数”;又如:
,
,
,
不是“勾股和数”.
(1)判断2022,5055是否是“勾股和数”,并说明理由;
(2)一个“勾股和数”M的千位数字为a,百位数字为b,十位数字为c,个位数字为d,记
,
.当
,
均是整数时,求出所有满足条件的M.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cfdd198e740a231bcba06603673935c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf1700562da03247c301f48c092cd8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e75cb3a33364aad001b71ca9124ec73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2902f5083d831282df11b4661e135b9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a795b211e706d8b4c68ec9d45ebf8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c23eaf46e3fb57c0ab4af0f824ed2f0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c48d74fd48285654db28ecf6fe732e2.png)
(1)判断2022,5055是否是“勾股和数”,并说明理由;
(2)一个“勾股和数”M的千位数字为a,百位数字为b,十位数字为c,个位数字为d,记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e38491098da51623ee447846285a7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac688597bb4e5ec44f4b7d7b93e304f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11c274a229d6f58264ddea723c334758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec26ec7cbd1039e98c7c8187034f2ef7.png)
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解题方法
10 . 如图,在棱长为2的正方体
中,点M是正方体的中心,将四棱锥
绕直线
逆时针旋转
后,得到四棱锥
.
(1)若
,求证:平面
平面
;
(2)是否存在
,使得直线
平面
?若存在,求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a0c3a4e61b97fa9bc58f3179fc2958.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/debc6eb7acc1f38ef267ce976bc08891.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a998a7d4d980e848ee050b706480ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a72df364fb19388f4a9f691fb04e6851.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/30/afe35217-4701-42ef-bbdf-faf10f484d5b.png?resizew=248)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1676b17f3641daf630f709517d22d120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf5be36f9e19c964499c21a59f90ce21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715c368ff97dfe2f168c15bc6a3fe9a3.png)
(2)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f3fdee3ca530bf2fe6583112972e63a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2730b513bd3359c3dfe6567e04f5ef9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
2023-08-29更新
|
2752次组卷
|
16卷引用:重庆市第一中学教育共同体2022-2023学年高一下学期期中数学试题
重庆市第一中学教育共同体2022-2023学年高一下学期期中数学试题湖北省武汉市华中师范大学第一附属中学2022-2023学年高一下学期学业水平质量评价检测数学试题湖北省圆创联考2023届高三下学期3月联合测评数学试题(已下线)第85练 计算速度训练5(已下线)押新高考第20题 立体几何福建省永春县第一中学2023-2024学年高二上学期8月月考数学试题(已下线)第七章 立体几何与空间向量 第五节 空间向量与线、面位置关系(B素养提升卷)(已下线)高二上学期期中考试解答题压轴题50题专练-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第一册)福建省厦门市厦门大学附属科技中学2023-2024学年高二上学期第一次阶段性测试数学试题(已下线)模块一 专题1 空间向量与立体几何(人教A)2广东省东莞市虎门外语学校2023-2024学年高二上学期10月月考数学试题(已下线)模块四 专题4 大题分类练 《空间向量与立体几何》拔高能力练(已下线)重难点突破06 立体几何解答题最全归纳总结(九大题型)-3辽宁省沈阳市东北育才学校2024届高三第三次模拟考试数学试题(已下线)热点6-1 线线、线面、面面的平行与垂直(6题型+满分技巧+限时检测)(已下线)3.4.1 判断空间直线、平面的位置关系(六大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)