Question

determine a soma das matrizes.

me ajudem pfvvv
é provaa​

Answer 1

Como as duas matrizes são de ordem 2 (2x2).

A + B

$\left[\begin{array}{ccc}7&4\\3&5\/\end{array}\right]$ + $\left[\begin{array}{ccc}2&8\\1&9\\\end{array}\right]$ = $\left[\begin{array}{ccc}7+2&8+4\\3+1&9+5\end{array}\right] = \left[\begin{array}{ccc}9&12\\4&14\end{array}\right]$