1 . 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
2 . 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
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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
3 . 在平面直角坐标系
中,先对曲线
作矩阵
所对应的变换,再将所得曲线作矩阵
所对的变换.若连续实施两次变换所对应的矩阵为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b81af7987b2ee736b3f9bfb82f7f4dc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a087861eebda79aaab76f210faee76b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e1684c8502e60b720f564a8340db532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da174d0157c6e2fe777e46e00e40b33.png)
您最近一年使用:0次
2019-05-05更新
|
358次组卷
|
3卷引用:【全国百强校】江苏省海安高级中学2019届高三第二学期四月模拟考试数学试题