1 . 有这样一对矩阵
,
,通过计算发现
与
相等,即满足“
”.
请举出一对满足“
”要求的二阶矩阵
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d947e6a650c700ed1fab01b4b10fa6a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3722bda479c3d9229b99dc4f1c8fec71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93a42a8537d582e74cfac36d1d5f12a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dc166a17c8ce4b34134d13ac03f2005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9bee7a3e6a2c01e3196fd1dbe40cb4.png)
请举出一对满足“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9bee7a3e6a2c01e3196fd1dbe40cb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bd82ec347d41082b344beb6dba4c6d2.png)
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名校
2 . 关于
的方程组
请对方程组解的情况进行讨论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a0d619ac130ba0f1190b8edf6b67a2e.png)
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2020-06-26更新
|
103次组卷
|
2卷引用:沪教版(上海) 高二第一学期 新高考辅导与训练 第9章 矩阵和行列式初步 阶段训练8
3 . 关于
的二元一次方程组
有唯一一组正解,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d5a63d9eb8d39a50f193b6ebebb296.png)
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4 . 利用行列式解下列方程组:
(1)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffb3514b340beb8f80f777434fe44dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df433e7619c87cc589af5466630fd360.png)
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5 . 已知
,其中
,
.求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a2ba685663bf232cf190132cbb3ebf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5bea10469740c08646423c152adb1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2edfccf9159bb4010669e938f788149b.png)
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6 . 利用矩阵解三元一次方程组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9d1e4c929e62c44a17aae311adeb24.png)
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7 . 定义
为向量
到向量
的一个矩阵变换,其中O是坐标原点,
.已知
.试求
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607923768e7d0c894755d5029dcd76b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bd879fb2065ff152c075112e28d5cce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f650f691ca8b7cda7460c8a2a5364c61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46637f22e6a3b7943046e63657f6e411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5507a041b6ae24d96ab671019c37588.png)
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8 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308581988844a2df0a39af695433c87d.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308581988844a2df0a39af695433c87d.png)
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9 . 已知
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13424677b31f76845aceb90302e75f1b.png)
________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/894fa56c780bb65edda02d64af12aa69.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92897241e445562143ff5189fda68779.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cae1fb5e85d42b55218f018a13b09d0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46626211c275bb205b16779387369fd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13424677b31f76845aceb90302e75f1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/894fa56c780bb65edda02d64af12aa69.png)
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