已知向量组 alpha_1 = (t, 2, 1)^T, alpha_2 = (2, t, 0)^T, alpha_3 = (1, -1, 1)^T 线性相关，则t的值为(）

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=(6,lambda+1,4)^T, alpha_2=(lambda,2,2)^T, alpha_3=(lambda,1,0)^T 线性

已知向量组alpha_1, alpha_2, alpha_3线性无关，则A 向量组alpha_1 - alpha_2, alpha_2 - alpha_3, a

已知向量组 alpha_(1)=(t,2,1)^T,alpha_(2)=(2,t,0)^T,alpha_(3)=(1,-1,1)^T线性相关，则t的值为（）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

(9)设向量组alpha_(1)=(1,3,6,2)^T,alpha_(2)=(2,1,2,-1)^T,alpha_(3)=(1,-1,a,-2)^T线性相关，

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.

两个 n 维列向量组 S=alpha_1, alpha_2, ..., alpha_s，T=beta_1, beta_2, ..., beta_t，其中 S 是

2.判断向量组alpha_(1)=(1,2,-1,3)^T, alpha_(2)=(2,1,0,-1)^T, alpha_(3)=(3,3,-1,2)^T是否线

设向量组 alpha_1, alpha_2, alpha_3线性无关，判断向量组 beta_1 = alpha_1 + alpha_2、beta_2 =