Question

Dadas as matrizes A = figura
calcule:

a) A + B
b) 2.C

Answer 1

Resposta:

$\left[\begin{array}{ccc}2&-2\\6&2\\\end{array}\right]$     ;   $\left[\begin{array}{ccc}-4&16\\2&-6\\\end{array}\right]$

Explicação passo-a-passo:

a)  $\left[\begin{array}{ccc}2+0&-3+1\\4+2&-1+3\\\end{array}\right]$  =  $\left[\begin{array}{ccc}2&-2\\6&2\\\end{array}\right]$  .

b)   $\left[\begin{array}{ccc}-2 .2&8.2\\1.2&-3.2\\\end{array}\right]$  =  $\left[\begin{array}{ccc}-4&16\\2&-6\\\end{array}\right]$  .