Question

Dada a matriz A = 2 3 calcule: 5.A
4 -3

Answer 1

Segui abaixo a resolução:

$A= \left[\begin{array}{c c c}2& 3 \\4 & - 3 \\ \end{array}\right]$

$5A = \left[\begin{array}{c c c} 2 \times 5& 3 \times 5 \\4 \times 5& - 3 \times 5 \end{array}\right]$

$\boxed{5A =\left[\begin{array}{c c c}10 & 15 \\20 & - 15 \end{array}\right] }$

➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖

${\huge\boxed { {\bf{T}}}\boxed { \red {\bf{r}}} \boxed { \blue {\bf{o}}} \boxed { \gray{\bf{m}}} \boxed { \red {\bf{b}}} \boxed { \orange {\bf{s}}} \boxed {\bf{77}}}$

Espero ter ajudado!