已知线性方程组的增广矩阵为
,若该方程组的解为
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db4dbc95b905e124981de0e60ef8b508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e321f97b63c5648bd9937abb3b612b8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42bdccb02b9da855e223e71bed324872.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4476f6d4ae4dc2784fef450489796584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
更新时间:2019-12-07 21:43:32
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【知识点】 二元一次方程组的矩阵形式
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【推荐2】若线性方程组的增广矩阵为
、解为
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a752597dd1ef4d465c0d7cc2f23d12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dd201c1845401aa0f49981c62024edd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea7b3c4ea87f102721422664cc2dd297.png)
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