1 . 已知矩阵
,其中
,若点
在矩阵
的变换下得到的点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd0e4dea325ed7a3c5f4b35f7aea07a7.png)
(1)求实数
的值;
(2)求矩阵
的逆矩阵.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37d8f2fe5e9293a1a6569f4b7be7627e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797c488729678e74e0825c2e92b544b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd0e4dea325ed7a3c5f4b35f7aea07a7.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)求矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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2018-12-13更新
|
210次组卷
|
2卷引用:【校级联考】江苏省南京市六校联合体2019届高三12月联考数学试题
名校
2 . 二阶矩阵M对应的变换将点(1,﹣1)与(﹣2,1)分别变换成点(﹣1,﹣1)与(0,﹣2).
(1)求矩阵M的逆矩阵
;
(2)设直线l在变换M作用下得到了直线m:
,求l的方程.
(1)求矩阵M的逆矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e28cd4188034e9a63aa1696b8ba1b95.png)
(2)设直线l在变换M作用下得到了直线m:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1d18037539636edcb79b5165dfa5570.png)
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2018-12-11更新
|
176次组卷
|
3卷引用:【全国百强校】江苏省南京金陵中学2019届高三第一学期期中考试数学试题
名校
3 . 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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4 . 已知点P(3,1)在矩阵
变换下得到点P′(5,-1).试求矩阵A和它的逆矩阵
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f38dc38cfc37dc240094af94e9ca3614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a84646168f0afc4380043a52b818c35.png)
您最近一年使用:0次
名校
5 . 已知矩阵
,则矩阵
的逆矩阵为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b049d08ca65a3163ec5b8667a765a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
2018-06-30更新
|
150次组卷
|
3卷引用:【全国市级联考】江苏省宿迁市2017-2018学年高二下学期期末考试数学(理)试题
名校
6 . 已知矩阵
,
,若矩阵
,求矩阵
的逆矩阵
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd03b9ad0511d7d99d015d9571c4edb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/282e1d447d0f8d98653a4a221c58dd52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b401266428ac985b85c1f06eaa20de5e.png)
![](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
2018-02-22更新
|
428次组卷
|
4卷引用:江苏省淮安市等四市2018届高三上学期第一次模拟数学试题
7 . 已知矩阵
,则
的逆矩阵![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa9ff18043fd57f0e8b683071905e817.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0123235d0d5487231718f98079bc419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa9ff18043fd57f0e8b683071905e817.png)
您最近一年使用:0次
8 . 已知矩阵
的一个特征值
及对应的特征向量
.求矩阵
的逆矩阵.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d53a956d7d0e4596a9b4a95da6355a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4712ae924da953c4451dd78b8d6ac2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86381a1bdfd8dcf51621b00215f2ffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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9 . 已知
,
,且二阶矩阵
满足
.
(1)求
;
(2)求矩阵
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45fde6a55f8208dfd9b1f87b64a109a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60da28fefe7143ac36bc182e442deab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235c32929387d05f89c2bd960686c91a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d7c1beea03e1dd6f5a0e12ea2b7585.png)
(2)求矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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10 . 选修4-2:矩阵与变换
已知直线
,若矩阵![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4261e719a7d15afdd977c051f8a41859.png)
所对应的变换
把直线
变换为它自身.
(Ⅰ)求矩阵A;
(Ⅱ)求矩阵A的逆矩阵.
已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7da02a88a916b39050e7baf56c79ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4261e719a7d15afdd977c051f8a41859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/057db09504e1a3e62cd7fc678a7c31ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edd5a5a95fc192ea9c2662ddb6ec15f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(Ⅰ)求矩阵A;
(Ⅱ)求矩阵A的逆矩阵.
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