Question

Dada a matriz, destaque o que se pede:​

Answer 1

B = (b11. b12. b13).

(b21 b22 b23)

(b31 b32 b33)

b11 = 1

b12 = 7

b13 = 12

b21 = 4

b22 = - 4

b23 = 6

b31 = 9

b32 = 0

b33 = 5

(1 , 7 , 12)

(4 , -4 , 6)

(9 , 0 , 5)