名校
1 . 线性方程组
对应的增广矩阵为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d3608eacfc91c435dc4e4e7fd81efa.png)
您最近一年使用:0次
2 . 若关于
、
的二元一次线性方程组
的增广矩阵是
,且
是该线性方程组的解,则三阶行列式
中第
行第
列的元素的代数余子式的值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65bd6cdc598a67059dc4293a1694dc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d03309a5d79f2598a330aa7e1cbcc7ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f93169d14edf4ebc44b9695763527c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c01263f8a6f269b7e28eba8de07ac1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
您最近一年使用:0次
3 . 若矩阵
与
满足
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9511f4c7c3f6eb94f54152e67e50427c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72885b199c12c6160ab6518335e12b96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9bee7a3e6a2c01e3196fd1dbe40cb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
您最近一年使用:0次
名校
4 . 已知在行列式
中,第一行第一列的元素4的代数余子式的值为1,则实数x的值为__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb831144c3c8c7c135de53d15b2c9226.png)
您最近一年使用:0次
5 . 若
,
,则
是
的___________ 条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c654113d571ea3727472a0a20deb7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5d9866bd4577ec6c75ded2397967c31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7333e60b1d4908854a6af891b0d1b95f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/523c74d21b7934a09348b1a01e1ae606.png)
您最近一年使用:0次
6 . 已知矩阵
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2fa11c5afea44c2f3f7780f9d88ec7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4caa6735c2b232a36559290cbac96b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
您最近一年使用:0次
名校
7 . 行列式
中元素4的代数余子式的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcdefa9446e68684b3adbee2ccf0f1c1.png)
您最近一年使用:0次
8 . 不等式
的解为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e1c2bca1d9878102e8f1144fb715be.png)
您最近一年使用:0次
解题方法
9 . 若等比数列
的前
项和为
,且满足
,则数列
的前
项和为
为________ .
![](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/8a09bce3ba6cc16dcb34c74911661fda.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)
您最近一年使用:0次
名校
10 . 若矩阵
,
,且
,则
=___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc73eca282abf855cb267b2a108db44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afcb382b55f05689b657a261f287a24d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c918ca5d4e6d46ed130f85e5fa608d.png)
您最近一年使用:0次
2020-12-25更新
|
140次组卷
|
3卷引用:上海市金山区2021届高三上学期一模(期末教学质量检测)数学试题
上海市金山区2021届高三上学期一模(期末教学质量检测)数学试题(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届高三上学期10月月考数学试题