A. $\lambda=2$ 或 $\lambda=-3$；
B. $\lambda=1$ 或 $\lambda=2$；
C. $\lambda=3$ 或 $\lambda=4$；
D. $\lambda=3$ 或 $\lambda=-2$.
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判断向量组 alpha_1 = (2,1,-1)^T, alpha_2 = (0,2,1)^T, alpha_3 = (-2,3,0)^T的线性相关性。A
设向量组 alpha_(1)=(lambda,1,1), alpha_(2)=(1,lambda,1), alpha_(3)=(1,1,lambda) 线性相关
设向量组 alpha_1, alpha_2, alpha_3, alpha_4，其中 alpha_1, alpha_2, alpha_3 线性无关，则必有（）A
已知向量组alpha_1, alpha_2, alpha_3, ldots线性无关，则A 向量组alpha_1, alpha_1 - alpha_2, alph
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设向量组alpha_1, alpha_2, alpha_3, alpha_4线性无关，则()。设向量组$\alpha_1, \alpha_2, \alpha_3
已知向量组 alpha_1, alpha_2, ..., alpha_m 线性相关，则（）A. 该向量组的秩小于 $m$；B. 该向量组的任何部分组必线性相关.