1 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279fba9ba2f325d2d3c95f8caede1cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b38ce694992a4b6d5bdd20931419dc8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-12-13更新
|
254次组卷
|
2卷引用:辽宁省锦州市联合校2021-2022学年高一上学期期末模拟数学试题(凌海二高命题)
解题方法
2 . 如图,在直三棱柱
中,
,棱
,点
分别是
的中点.
(1)求
的模;
(2)求
;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9400eaa28d5555da36fe35078f8f92d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b091a4ef95fef799174fc513f6a6ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1032baaea5d4f8cb731df30bf346145f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/30/3cfb8ec1-bea9-4f6d-ae35-afee2c0c5e24.png?resizew=117)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/350f162ee9aa08f4c9779481a5ef1025.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/123db107b4b1c6bf7040b0f4c0558cc2.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24b201f1e798eb74963b98f2b0da4132.png)
您最近一年使用:0次
2023-10-29更新
|
139次组卷
|
3卷引用:辽宁省锦州市联合校2021-2022学年高二上学期期末模拟数学试题(锦州五高命题)
辽宁省锦州市联合校2021-2022学年高二上学期期末模拟数学试题(锦州五高命题)广东省肇庆鼎湖中学2023-2024学年高二上学期10月月考数学试题(已下线)湖南省邵阳市邵东创新实验学校2023-2024学年高二上学期期中数学试题
2023高二·全国·专题练习
3 . 已知四面体
的所有棱长都是2,点E,F分别是AD,DC的中点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4e1eaf0e9db93a5ed98d1f60e270722.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4e1eaf0e9db93a5ed98d1f60e270722.png)
您最近一年使用:0次
名校
4 . 函数
的图象如图所示,则
与
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3897bf276a0b6c2121917d39b369df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0c5129a51899857c4569cd82a48002b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca37c46c17de1dfb8c35e97fc1b5c229.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
2024-03-02更新
|
1434次组卷
|
8卷引用:辽宁省锦州市2021-2022学年高二下学期期末考试数学试题
辽宁省锦州市2021-2022学年高二下学期期末考试数学试题北京市房山区房山中学2021-2022学年高二下学期期中考试数学试题(已下线)第2课时 课中 瞬时变化率-导数(已下线)6.1.2导数及其几何意义(分层练习,4大题型)-2023-2024学年高二数学同步精品课堂(人教B版2019选择性必修第三册)(已下线)6.1.1&6.1.2 函数的平均变化率、导数及其几何意义(4知识点+6题型+强化训练)-【帮课堂】2023-2024学年高二数学同步学与练(人教B版2019选择性必修第三册)甘肃省天水市第一中学2023-2024学年高二下学期第一次月考数学试题(已下线)5.1导数的概念及其意义——课堂例题(已下线)核心考点2 导数几何意义和函数的单调性、极值 专题讲解 B提升卷 (高二期末考试必考的10大核心考点)
5 . 已知
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b3307deed7c82a9bdfe609eb310949d.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc85113bf1c4a1f232abe59d7b343376.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b3307deed7c82a9bdfe609eb310949d.png)
您最近一年使用:0次
6 . 函数
(
且
)的定义域为(写成区间形式)______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8674ac60199e52fa26df142057694b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
您最近一年使用:0次
解题方法
7 . 直线
,
若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_____ ;若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a990168441efe343e83d749412731641.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/932ceaf48ae17aaa62f292a201dd476c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1095c036b49c3327baaa2c3c7f746134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
解题方法
8 .
满足
,
,且对于
,
,则
是函数
的单调递______ (填“增”或“减”)区间,关于
的不等式
的解集是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545931b962cf570712d04888b57093f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee64d91962737f227ea7526db98bcf61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4793556e70cd9113b39f7916d3652fda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dd8bbf8d8b088f1df100e2347c351c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/988e3e071fb35d676e641d9410fe4fe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cfadb91c71ebafff399c872f1a42058.png)
您最近一年使用:0次
9 . 抛物线
上的点到焦点的距离的最小值____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b1183df9f26985febdc844cda75ed4c.png)
您最近一年使用:0次
10 . 已知方程
表示圆,则k的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b351c78b7a9c5eb20cfadb7626a1ae.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次