都是线性方程组Ax=0的解,则矩阵A为:

作者: tihaiku 人气: - 评论: 0
问题 都是线性方程组Ax=0的解,则矩阵A为:
选项
答案 D
解析 提示:a1,a2是方程组Ax=0的两个线性无关的解,方程组含有3个未知量,故矩阵A的秩R(A)=3-2=1,而选项A、B、C的秩分别为3、2、2均不符合要求。将选项D代入方程组_

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