若向量组a1,a2,a3线性无关,判断下列向量组的线性相关性
若向量组a1,a2,a3线性无关,判断下列向量组的线性相关性
1.a1:a1+a2;a1+a2+a3
2.a1-2a3;3a1+2a2;-2a1-a2+a3
1.a1:a1+a2;a1+a2+a3
2.a1-2a3;3a1+2a2;-2a1-a2+a3
数学人气:584 ℃时间:2020-06-08 18:37:57
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