1 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308581988844a2df0a39af695433c87d.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308581988844a2df0a39af695433c87d.png)
您最近一年使用:0次
2 . 已知矩阵
,
的逆矩阵
.
(1)求
、
的值;
(2)若点
在矩阵
对应的变换作用下得到点
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca2c24cb94552fb262bbc2f603d1947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/197b3125273fa5a25f3bbe5f9d96099c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/136b2d328b319d30721bdc4903cd9ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
3 . 已知矩阵
,
,且
.
(1)求矩阵
;
(2)直线
在矩阵
对应的变换作用下变为直线
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35157060228e8d151bce2d0a7c77fb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2552d1efaab9607a51abd481f5a64f24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b05d5cdc99b863f26c030f8253ae8de4.png)
(1)求矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/710c58628d4a3990ac8347dfa2d2ca7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2020-05-13更新
|
89次组卷
|
2卷引用:2020届江苏省扬州市高三下学期5月调研测试数学试题
4 . 已知矩阵
,
,则矩阵![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7641b4223fb77a9a712ff9b3ec55bc.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a3e738f9c413a0b1e3de7479b8b244d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249b9b24f590c7dd1de8fd77cb8d5309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7641b4223fb77a9a712ff9b3ec55bc.png)
您最近一年使用:0次
2020-04-24更新
|
81次组卷
|
2卷引用:江苏省徐州市2018-2019学年高二下学期期末理科数学试题
5 . 已知矩阵
,其中
、
,点
在矩阵的变换下得到的点
.
(1)求实数
、
的值;
(2)求矩阵
的逆矩阵.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c58a98d19c07ee41d4814d2b57f58e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2007972af3341f27fbc32ce62dfce5e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68ad0f94243a1600321c4b2b27c307de.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)求矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
2019-12-27更新
|
85次组卷
|
2卷引用:2020届江苏省南通市四校联盟高三数学模拟试题
6 . 已知矩阵
,
,且
.
(1)求实数
、
的值;
(2)求矩阵
的特征值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecc1773057af50742a11c13538702bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9542192476d384dc71549adae54b0135.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8ea27342e250877fdef55f6bc3cf10.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)求矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
2019-09-19更新
|
63次组卷
|
2卷引用:江苏省南通市海安高级中学2019-2020学年高三上学期9月月考数学试题
名校
7 . 行列式
中元素0所对应的代数余子式的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4b730ffaf31203f0aac7ba0217d925.png)
您最近一年使用:0次
8 . 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
9 . 用数学归纳法证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d3e784f611dd6fd6cec28c6378cea5.png)
您最近一年使用:0次
10 . 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