设向量(alpha )_(1)=((1,1,-1))^T (alpha )_(2)=((0,2,1))^T,(alpha )_(1)=((1,1,-1))^T (alpha )_(2)=((0,2,1))^T, , 则 (alpha )_(1)=((1,1,-1))^T (alpha )_(2)=((0,2,1))^T,不能由(alpha )_(1)=((1,1,-1))^T (alpha )_(2)=((0,2,1))^T,线性表示。 ( )

设向量组 (alpha )_(1)=((0,1,1))^T, (alpha )_(2)=((1,0,1))^T (alpha )_(3)=((2,1,0))^T

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

2.求向量组: (alpha )_(1)=((1,1,3,1))^T (alpha )_(2)=((-1,1,-1,3))^T, (alpha )_(3)=((

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(alpha )_(1)=((1,1,2,2))^T, (alpha )_(2)=((1,-1,4,0))^T (alpha )_(3)=((1,0,3,1

若向量组(alpha )_(1)=((1,1,1))^T (alpha )_(2)=((0,1,1))^T (alpha )_(3)=((0,0,1))^T能由

设向量组 _(1)=((1,2,3,3))^T, (alpha )_(2)=((1,-1,2,1))^T (alpha )_(3)=((1,1,0,1))^T,

已知向量(alpha )_(1)=((1,2,1))^T, (alpha )_(2)=((2,3,a))^T, =((1,a+2,-2))^T，(alpha )

设向量组(alpha )_(1)=((1,0,1))^T，(alpha )_(1)=((1,0,1))^T，(alpha )_(1)=((1,0,1))^T不能

[题目]把向量组 (alpha )_(1)=(1,0,-1,1) , (alpha )_(2)=(1,-1,0,1),-|||-(alpha )_(3)=(-1