Question

calcule a matriz b=
|3 5 -8| |1 -5 -1 |
|0 -6 1| + |-6 0 10|
|1 0 -2| | 3 2 1 |

Answer 1

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

Answer 2

Aí A resposta está na foto que eu enviei