Question

se a= 3 4 1 1 b= -3 -5 6 0, então (a+b) é=​

Answer 1

Resposta: alternativa C

$\left[\begin{array}{ccc}0&-1\\7&1\end{array}\right]$

Explicação passo-a-passo:

$A = \left[\begin{array}{ccc}3&4\\1&1\end{array}\right] + B = \left[\begin{array}{ccc}-3&-5\\6&0\end{array}\right] = \left[\begin{array}{ccc}3+(-3)&4+(-5)\\1+6&1+0\end{array}\right] = \left[\begin{array}{ccc}0&-1\\7&1\end{array}\right]$