名校
1 . 已知矩阵
,其中
,若点
在矩阵A的变换下得到的点
.
(1)求实数m,n的值;
(2)求矩阵A的逆矩阵
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eff05a6854b3e0476fdf80802c8d3af0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68a83b4093280ea8750677f6828bf47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dbcf0320d94734aedd3d4e2e31b9827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d76499976f17505ddfabe220bfe7145a.png)
(1)求实数m,n的值;
(2)求矩阵A的逆矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a84646168f0afc4380043a52b818c35.png)
您最近一年使用:0次
真题
2 . 平面上点
在矩阵
对应的变换作用下得到点
.
(1)求实数
,
的值;
(2)求矩阵
的逆矩阵
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06ebd2da016e7029c4dd72b9e377190c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f17f42cb71490b419e3861cccd2e5a2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b26c480721030e62f661a8295b35c8cc.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5281a7e4f6d37e698366c83fa38d7b6a.png)
您最近一年使用:0次
3 . 已知点
在矩阵
对应的变换作用下得到点
.
(1)写出矩阵
的逆矩阵;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfe296071019524971680a25a2f44ccb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ccfd5d01a4ca0cdb90cb9cdd3ad30d.png)
(1)写出矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
您最近一年使用:0次
名校
4 . 已知矩阵
,
.
(1)求
;
(2)在平面直角坐标系
中,求直线
在
对应的变换
作用下所得直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c785d47a41f27b8d987e8baa5ebeb33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b428aba89fd7a6e45633fccce76ef0e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fb4ef8a88934a49480351f092f95960.png)
(2)在平面直角坐标系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7043d3157120fb2c2086d09d51e0d05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354f8e9d6cca157b95877d6540d16fb3.png)
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5 . 已知
,若点
在矩阵
对应变换作用下得到点
,求矩阵
的逆矩阵
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e584f799ea554fc5533925ead4672501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/151ef542236dbf21d87132967fe8c083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/939ff353876d2929d83868d85a405111.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a84646168f0afc4380043a52b818c35.png)
您最近一年使用:0次