1 . 已知矩阵A=
,B=
,AB=
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8716855a7110e9db4f1c84d03943fe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/454e2e1446f8e8be86f9e5c3df8c6e87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7506577020c2f34cdb9abcaf64bec1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
您最近一年使用:0次
2019-11-13更新
|
88次组卷
|
3卷引用:上海市青浦一中2018-2019学年高二上学期期终学业质量调研测试数学试题
2 . 当
时,函数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1bdca3890095a9d6acc58655450c41d.png)
您最近一年使用:0次
3 . 若矩阵
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450406e17a9b33a778e0b3d57d9ac253.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d02075b3881d5b1ac3f2ddd94f68f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870e8742d4ce3fdb96e1932cf68bf661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450406e17a9b33a778e0b3d57d9ac253.png)
您最近一年使用:0次
4 . 把
表示成三阶行列式______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52adf8b32885978990e2cbc0aac79b0a.png)
您最近一年使用:0次
5 . 已知
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c1236c42fedcab767a234dd10c38af3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
您最近一年使用:0次
名校
6 . 关于
的二元一次方程的增广矩阵为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a19216a47c37a0b773c5266e376b2a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a128e4bc4d4ce5e4426e9d48628929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
您最近一年使用:0次
7 . 已知三阶行列式
,则元素3的代数余子式的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79247e4ceb49301d540b93b5c937342d.png)
您最近一年使用:0次
8 . 若复数
满足
,则
等于__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9987068d7544e8bf0227a1cbe292209d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
您最近一年使用:0次
9 . 若行列式
,则
的值是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab2ca5b0ab6e09108fad9f461c9309a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
10 . 若线性方程组的增广矩阵为
,则其对应的线性方程组是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeec6caf46cd743c40898503a684c0a5.png)
您最近一年使用:0次