题目
3 单选 (10分) 设alpha_(1)=(6,a+1,3)^T,alpha_(2)=(a,2,-2)^T,alpha_(3)=(a,1,0)^T,若alpha_(1),alpha_(2),alpha_(3)线性相关，a的取值应为A. a=-4B. a=(3)/(2)C. a=-4或a=(3)/(2)D. a≠-4且a≠(3)/(2)
3 单选 (10分) 设$\alpha_{1}=(6,a+1,3)^{T}$,$\alpha_{2}=(a,2,-2)^{T}$,$\alpha_{3}=(a,1,0)^{T}$,若$\alpha_{1},\alpha_{2},\alpha_{3}$线性相关，a的取值应为
A. a=-4
B. $a=\frac{3}{2}$
C. a=-4或$a=\frac{3}{2}$
D. a≠-4且$a≠\frac{3}{2}$
题目解答
答案
C. a=-4或$a=\frac{3}{2}$