单选题:若β=(2,1,t)T可由α1=(1,3,1)T,α2=(-1,2,4)T,α3=(-2,1,5)T线性表出,则 t=(

  • 题目分类:高中数学
  • 题目类型:单选题
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题目内容:
若β=(2,1,t)T可由α1=(1,3,1)T,α2=(-1,2,4)T,α3=(-2,1,5)T线性表出,则
t=()。 A.-2
A.-2
B.-3
B.-3
C.1
C.1
D.2
D.2
参考答案:
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