Question

Dada a Matriz
B= $\left[\begin{array}{ccc}-2&3&0&-1\\5&-7&1&0\end{array}\right]$
calcule $A_{13}$ + $A_{21}$ - $A_{23}$ + $2A_{14}$

Answer 1

Resposta:

+2

Explicação passo-a-passo:

= A13+A21-A23+2.(A14)

= 0 + 5 - 1 +2 . ( -1)

= +5 -1 -2

= +4 -2

= +2