名校
解题方法
1 . 已知全集
,集合
,
.
(1)若
,求实数
的取值范围;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/442be389c6471b36eff2652b75beb114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c9607925e9edd5482fabdcb6d3a4d1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6001de7ff4d09f756e62c14537e2b654.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac59877d187318610e6db3f2a926ad73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
2 . 已知集合
,若
,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77b6b946c17f21907f48359bd189cfbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c724b71d80bc67dcf45818b7bbb8f6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知
,当
时,则
的值是_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeb9f992de6398e5de944d14d246eef1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764eff906937f9b1fb58e5abfb2eb8a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ccfc43be1d95f5a308ffbdfea60fd4.png)
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4 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/309c651f64701c0b45cd1d7c36dc9f57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
5 . 已知
是单位向量,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f275a75246b5be5cf179f81267d53f1.png)
在
上的投影向量为
,则
与
的夹角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc64abe49847ade9b78678ba1f8e0e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f275a75246b5be5cf179f81267d53f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/169143072a2c2a0ea7062d65735de1d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc64abe49847ade9b78678ba1f8e0e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a250997f723ab4ccff9d91e0d810fed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc64abe49847ade9b78678ba1f8e0e2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7日内更新
|
356次组卷
|
6卷引用:江苏省无锡市辅仁高级中学2023-2024学年高一下学期期中考试数学试题
江苏省无锡市辅仁高级中学2023-2024学年高一下学期期中考试数学试题江苏省无锡市辅仁高级中学2023-2024学年高二下学期期中考试数学试题江苏省无锡市江阴市两校联考2023-2024学年高一下学期5月阶段检测数学试题湖北省新高考联考协作体2024届高三下学期2月收心考试数学试题(已下线)6.2.4 向量的数量积——课后作业(提升版)(已下线)广东省深圳市深圳中学2024届高三二轮四阶测试数学试题
名校
6 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/228ec4fb7e9f5419afff612c5b033b8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d7b1eb74c4ff1f92d8f5b5edca5714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知等腰
中,
,则
在
上的投影向量为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2e0396017be75f8c0dd946b9ee2cc3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89265cbe3abc6b966ce8967fead448b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083a20abb668d4c26fe5039bd108b40a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-06-13更新
|
540次组卷
|
3卷引用:【江苏专用】高一下学期期末模拟测试A卷
24-25高一上·全国·课后作业
8 . 请将以下复数表示为三角形式(辐角取主值):
(1)
;
(2)
;
(3)-1
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff871ec0eb568ba9f2a0bb97525c00c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d19ed90fa07e523db60031ab8d53e171.png)
(3)-1
您最近一年使用:0次
2024·全国·模拟预测
解题方法
9 . (多选)一组数据
,
,
,
,
的平均值为5,方差为2,极差为7,中位数为6,记
,
,
,
,
的平均值为
,方差为
,极差为
,中位数为
,则( )
![](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/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a219c950d45cf8de7191d32bde3211e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02b5d5df229b4bd36cf5a1f1c218efb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b96e2b7111d8ca9623e40a50cc7c1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb161d863b8d35f71c685760ba5d0dc9.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
10 . 已知
,
,
,求:
(1)
;
(2)
与
的夹角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7958a6bddd1d578bbd6fbcb92e3f6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190efc599b93baddd642ed5e2fcbcdaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/594d993556173ded55043c25230776b2.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e6f98f23fea7db0f74897928024ca0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed492f7b29166ba5c1f0023b05a439c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3143307ad0ba4a631eac04e814993655.png)
您最近一年使用:0次
2024-05-29更新
|
628次组卷
|
5卷引用:江苏省常州市联盟学校2023-2024学年高一下学期3月学情调研数学试卷