Question

(Soal matriks)
A=( 4 -1 3 2 ) , B= (-3 -2 1 5 ). Nilai 3A + 2B adalah .....
A. ( 1 -3 4 7 )
B. (5 -15 12 35)
C. (6 -7 11 4)
D. (9 -10 15 12)
E. (6 -7 11 16)
Dengan caranya

Answer 1

A=( 4 -1 3 2 ) , B= (-3 -2 1 5 ). Nilai 3A + 2B
= 3 ( 4 -1 3 2 ) + 2 (-3 -2 1 5 )
= (12 -3 9 6) + (-6 -4 2 10)
= ( 6 -7 11 16) (E)

Answer 2

A = (4 -1 3 2 )
B = (-3 -2 1 5)
DIT : 3A + 2B
jawab :
3 ( 4 -1 3 2) + 2 (-3 -2 1 5)
(12 -3 9 6) + (-6 -4 2 10)
(6 -7 11 16)