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1 . 计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c55173620f7586137948c6737a6d7b3b.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c55173620f7586137948c6737a6d7b3b.png)
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2 . 把三阶行列式
中第1行第3列元素的代数余子式记为
,则关于x的不等式
的解集为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d053e67ad7a53d44e10f3786b59d9c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
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2022-03-10更新
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135次组卷
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2卷引用:上海市控江中学2022届高三下学期开学考试数学试题
3 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26f813ab4df719c86ecb2d1b5895fb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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2021-10-12更新
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3卷引用:上海市2022届高三上学期一模暨春考模拟卷(一)数学试题
上海市2022届高三上学期一模暨春考模拟卷(一)数学试题(已下线)课时29 二、三阶行列式-2022年高考数学一轮复习小题多维练(上海专用)上海市华东师范大学附属东昌中学2022届高三下学期阶段检测数学试题
4 . 已知
,则方程
的解集是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d36b7edbd8378708945cce0e9be48668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81b9b8e2f5b47e8caade07d0222061b0.png)
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2020-10-31更新
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6卷引用:课时28 矩阵的概念及运算-2022年高考数学一轮复习小题多维练(上海专用)
(已下线)课时28 矩阵的概念及运算-2022年高考数学一轮复习小题多维练(上海专用)上海市复兴高级中学2022届高三下学期3月检测数学试题上海市控江中学2021届高三上学期9月月考数学试题上海市控江中学2022届高三上学期开学考数学试题上海市杨浦区控江中学2022届高三上学期第一次月考(9月)数学试题上海市向明中学2022届高三上学期期中数学试题
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5 . 若矩阵
是线性方程组
的系数矩阵,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f48f1fa606d4be1ca3f48e562030e4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f85d78aedf5469294ff9dce1534297.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-05-13更新
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4卷引用:课时28 矩阵的概念及运算-2022年高考数学一轮复习小题多维练(上海专用)
(已下线)课时28 矩阵的概念及运算-2022年高考数学一轮复习小题多维练(上海专用)上海市南汇中学2022届高三下学期3月月考数学试题2020届上海市崇明区高三二模数学试题上海市五爱高级中学2021届高三上学期期中数学试题
6 . 设函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28437f384a7b61f23deda8c0443e958.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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2020-02-28更新
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134次组卷
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2卷引用:上海市五爱高级中学2022届高三下学期3月月考数学试题
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7 . 将所有平面向量组成的集合记作
,
是从
到
的对应关系,记作
或
,其中
、
、
、
都是实数,定义对应关系
的模为:在
的条件下
的最大值记作
,若存在非零向量
,及实数
使得
,则称
为
的一个特殊值;
(1)若
,求
;
(2)如果
,计算
的特征值,并求相应的
;
(3)若
,要使
有唯一的特征值,实数
、
、
、
应满足什么条件?试找出一个对应关系
,同时满足以下两个条件:①有唯一的特征值
,②
,并验证
满足这两个条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c85067c53e936ef32da818efe04bdbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c85067c53e936ef32da818efe04bdbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c85067c53e936ef32da818efe04bdbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5938410a3d39a1f3f4df67faf99ab5ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39549972b3c02bd84637471fb171ae90.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/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6951a7aad8c0f5a06ad8bb6fb8f0f544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9c5e3816909bd49a229130af166698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86e6644ad87b4054c76468bdf95baa8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/393f7419709b2c20d4234b63fc4c9fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6938ce64829c28318021579c6e45b4a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f17de8ca8bc0eeecd338e423f787e92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86e6644ad87b4054c76468bdf95baa8f.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df049cbc7425555ea643fbb824a0df63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/552355ddba8eef1ca3bf15eb53d79622.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2322e48ae3b2a166f061eb4aaf39f355.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b715e7842b95f654f16056a7c7f2abe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13423c094861baf4b759b7f3d8c3c226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da66c64d70ef7d57d645e11f2a1b1e34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
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2020-02-13更新
|
635次组卷
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3卷引用:北京市丰台十二中2022-2023学年高二上学期10月月考数学试题
8 . 若行列式
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1671ee6c320988595b852e9024f02584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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2020-02-08更新
|
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3卷引用:上海市市南中学2022届高三下学期4月月考数学试题
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9 . 函数
的最小正周期![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23cb763b3517a6204a9e9eb1d6163553.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4146e100b859c16db282d0b914e85983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23cb763b3517a6204a9e9eb1d6163553.png)
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2020-02-04更新
|
163次组卷
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5卷引用:上海市七宝中学2022届高三下学期6月月考数学试题
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10 . 设数列
的前
项和为
,且对任意正整数
,都有
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
___
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aeca03c28d72db19035cb037ede2600.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
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2019-08-16更新
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338次组卷
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5卷引用:课时28 矩阵的概念及运算-2022年高考数学一轮复习小题多维练(上海专用)
(已下线)课时28 矩阵的概念及运算-2022年高考数学一轮复习小题多维练(上海专用)上海市上海师范大学附属中学2022届高三下学期3月月考数学试题上海市延安中学2018-2019学年度高三5月月考数学试卷2019届上海市延安中学高三三模数学试题2020届上海市高三高考压轴卷数学试题