设齐次方程组,当方程组有非零解时,k值为( )。A. -2或3 B. 2或3 C. 2或-3 D. -2或-3

作者: tihaiku 人气: - 评论: 0
问题 设齐次方程组,当方程组有非零解时,k值为( )。
选项 A. -2或3 B. 2或3 C. 2或-3 D. -2或-3
答案 A
解析 提示:由条件知,齐次方程组有非零解,故系数行列式等于零,

相关内容:齐次,方程组,解时,值为

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