题目内容：
向量组α₁=（1.2-1.4）t,α₂=（9.100.10.4）t,α₃=（-2，-4，2，-8）t的秩（）
参考答案：
选择题：向量组α=（1.2-1.4）t,α=（9.100.10.4）t,α=（-2，-4，2，-8）t的秩（
- 题目分类：华北水利水电大学-电气工程及其自动化-线性代数5
- 题目类型：选择题
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