Question

considere a matriz B[ -2 3 0 -1 ]
[ 5 -7 1 0] e determine o valor de
B) b12 - b23 +2b22​

Answer 1

Resposta:

b12 = 3

b23 = 1

b22 = - 7

$b)b12 - b23 + 2 \times b22 \\ = 3 - 1 + 2 \times ( - 7) \\ = 2 + ( - 14) \\ = 2 - 14 \\ = - 12$