Question

Resolva o produto entre as matrizes abaixo:
(5 2) (2 -1)
(-1 4). (0 3)​

Answer 1

Resposta:

$\left[\begin{array}{cc}10&1\\-2&13\end{array}\right]$

Explicação passo-a-passo:

$\left[\begin{array}{cc}5&2\\-1&4\end{array}\right] *\left[\begin{array}{cc}2&-1\\0&3\end{array}\right] \\\\a_{11}=5*2+2*0=10\\a_{12}=5*(-1)+2*3=1\\a_{21}=-1*2+4*0=-2\\a_{22}=-1*(-1)+4*3=13\\\\\left[\begin{array}{cc}10&1\\-2&13\end{array}\right]$