Question

Urgente:

$C= \left[\begin{array}{ccc}3&5&-8\\0&-6&1\\1&0&-2\end{array}\right] + \left[\begin{array}{ccc}1&-5&-1\\-6&0&10\\3&2&1\end{array}\right]$

Answer 1

AE mano,

soma os elementos correspondente a cada linha e coluna..

$C=\left(\begin{array}{ccc}3&5&-8\\0&-6&1\\1&0&-2\end{array}\right)+ \left(\begin{array}{ccc}1&-5&-1\\-6&0&10\\3&2&1\end{array}\right)\\\\\\ C= \left(\begin{array}{ccc}3+1&5+(-5)&-8+(-1)\\0+(-6)&-6+0&1+10\\1+3&0+2&-2+1\end{array}\right)\\\\\\ \boxed{C= \left(\begin{array}{ccc}4&0&-9\\-6&-6&11\\4&2&-1\end{array}\right)}$

Tenha ótimos estudos ;D