1 . 已知半径为
的球面上有三点
、
、
,
,球心为
,二面角
的大小为
,当直线
与平面
所成角最大时,三棱锥
的体积为_______________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbff61fe9d4e93d7cc338489d1c99c40.png)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1047831b4b1042615176e92826294ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74543b4e946d36c50bec8c87bfc33eb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4278c0911e7df78965e78cff69cac5f5.png)
您最近一年使用:0次
2 . 已知函数
有两个零点
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8eb9378db331a646af26af2daba19e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() ![]() |
您最近一年使用:0次
名校
3 . 已知向量
,
.
(1)若向量
,且
,求
的坐标;
(2)若向量
与
互相垂直,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34190c85e416e5dd4137855f1c38df76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e7b1dd09799cc1cc2d7c67816772873.png)
(1)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c13327875f7ecbfe021841d6f681a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ed0703d32bda90a21d7c3d329e0b14f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80467aade72042974b1b2d1dbe5b3968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cfb755a80aa6c04d60627a54115d123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2021-07-10更新
|
447次组卷
|
6卷引用:湖北省鄂西北六校2020-2021学年高一下学期期中联考数学试题
湖北省鄂西北六校2020-2021学年高一下学期期中联考数学试题湖北省襄阳市宜城一中、枣阳一中、襄州一中等五校联考2020-2021学年高一下学期期中数学试题浙江省台州市三门启超中学等两校2021-2022学年高一下学期期中联考数学试题湖南省株洲市第一中学2021-2022学年高一下学期期中考试数学试题湖南省长沙市浏阳市重点校2023-2024学年高一下学期期中联考数学试卷(已下线)专题6.5 《平面向量》单元测试卷 - 2022年高考数学一轮复习讲练测(新教材新高考)
名校
4 . 已知在平面四边形
中,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ca90e8a784f990c4097eec9219908d.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f503c86fa1eff4f034864b4f1d407e3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6e93c1ce0a833931fb3ec30e1236177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ca90e8a784f990c4097eec9219908d.png)
您最近一年使用:0次
2021-07-10更新
|
101次组卷
|
4卷引用:湖北省2020-2021学年高一下学期期中联考数学试题
5 . 如图,在正方体
中,
,E,F,P,M,N分别是
的中点,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/23/46dc7264-cfef-44c9-bc6d-5932e6363af6.png?resizew=181)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f9948f97be763dd5a323e775ceecbfe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/23/46dc7264-cfef-44c9-bc6d-5932e6363af6.png?resizew=181)
A.![]() ![]() |
B.直线![]() ![]() ![]() |
C.存在过点E,F的平面![]() ![]() ![]() ![]() |
D.点E到平面![]() ![]() |
您最近一年使用:0次
2021-07-10更新
|
742次组卷
|
5卷引用:湖北省2020-2021学年高一下学期期中联考数学试题
湖北省2020-2021学年高一下学期期中联考数学试题广东省广州市十六中2021-2022学年高一下学期期中数学试题河北省邢台市2020-2021学年高一下学期第二次月考数学试题(已下线)专题23 立体几何中平行的存在性问题-【重难点突破】2021-2022学年高一数学常考题专练(人教A版2019必修第二册)福建省泉州市第九中学2022-2023学年高二上学期12月份月考数学试题
名校
解题方法
6 . 已知
,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b84ce42d24107f44e5dac50ddc9c115.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.(0,![]() | B.(0,1) | C.![]() | D.![]() |
您最近一年使用:0次
2021-07-10更新
|
153次组卷
|
3卷引用:湖北省新高考联考协作体2020-2021学年高一下学期期中联考数学试题
7 . 已知函数
.
(1)求
的单调增区间;
(2)当
时,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22da0bb1cf761a0c0e4dac08087209b7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2021-07-10更新
|
564次组卷
|
3卷引用:湖北省部分高中联考协作体2020-2021学年高一下学期期中数学试题
名校
解题方法
8 . 已知
的内角
、
、
的对边分别为
、
、
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
A.若![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2021-07-10更新
|
300次组卷
|
2卷引用:湖北省部分高中联考协作体2020-2021学年高一下学期期中数学试题
解题方法
9 . 已知函数
.
(1)讨论函数
的单调性:
(2)当
时,函数
有三个不同的零点
,
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf0ed48121700a8ba4510055f123bea.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f27e63852b85964cc92d4f34299ea3ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28027a92bf94e5a393bd342afd7aa390.png)
您最近一年使用:0次
解题方法
10 . 如图,已知O为坐标原点,B,C为双曲线
上的两点.
,
为双曲线
的左、右顶点,若______,从①双曲线
的焦距为4,②双曲线
上一点到两焦点距离之差的绝对值为
,③双曲线r的渐近线方程为
,从这三个条件中任选两个,补充在横线上,解答下面的问题.
的方程:(注:如果选择多个条件分别解答,按第一个解答计分.)
(2)已知点
,点B在第一象限,且B,C关于y轴对称,直线
,
分别交y轴于点M,N,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a8c4c57597f87e4623a1260ff0c565d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b75308335340230171130238f4dc6c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05edd4838e3c4c1f7189025ea1602930.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/668438e15423368cd744445e824d18a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbb85d28f8bdeedad66fd7ec2a561455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa2b3c45b9f262cf865b3895dfde0e1.png)
您最近一年使用:0次