设矩阵A=
(2
4
6)
,B=(2,-1,3),则AB=____.
设矩阵A=
(2
4
6)
,B=(2,-1,3),则AB=____.
【正确答案】:(4 -2 6 8 -4 12 12 -6 18) 分析:AB= (2 4 6) (2,-1,3)= (4 -2 6 8 -4 12 12 -6 18)
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