2.[判断题]非零向量alpha_(1),alpha_(2)线性相关，则存在k使得alpha_(1)=kalpha_(2)

已知向量组alpha_(1),alpha_(2),alpha_(3)线性无关，若alpha_(1)+alpha_(2),alpha_(2)+alpha_(3),

设alpha_(1),alpha_(2),alpha_(3),alpha_(4)线性无关，且alpha_(1),alpha_(2),alpha_(3),alph

设alpha_(1),alpha_(2),alpha_(3),alpha_(4)线性无关，且alpha_(1),alpha_(2),alpha_(3),alph

4.判断题向量β被向量组alpha_(1),alpha_(2),...,alpha_(n)线性表示，记A=[alpha_(1),alpha_(2),...,al

3.判断题设向量beta可由向量组alpha_(1),alpha_(2),alpha_(3),alpha_(4)线性表示，但不能由alpha_(1),alpha

4.(判断题) 向量组满足 beta_(1)=alpha_(1), beta_(2)=alpha_(1)+alpha_(2), beta_(3)=alpha_(

设向量组 alpha_(1)=(lambda,1,1), alpha_(2)=(1,lambda,1), alpha_(3)=(1,1,lambda) 线性相关

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

13.单选题若alpha_(1)=(1-1 2),alpha_(2)=(-2 1 0),alpha_(3)=(-1 0 t)线性相关,则()A. t=-2B.

(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，