Question

Dadas as matrizes A= (3 2) e B= ( 1 ) , qual o valor de A.2B?
(-1 0) ( 2 )
(1 1)

Answer 1

alternativa b, pois
l1.c1= 3*2=6+2*4=8 = 14
l2.c1= -1*2= -2+ 0*4=0= -2
l3.c1= 1*2= 2 + 1*4= 6