Question

Multiplique as matrizes:
(6 5) * (2 4) =
1 0 1 3

Answer 1

Boa tarde!

$\begin{bmatrix}a11&a12\\a21&a22\\\end{bmatrix}$ 

$\begin{bmatrix}6&5\\1&0\\\end{bmatrix}$$\times$$\begin{bmatrix}2&4\\1&3\\\end{bmatrix}$ 

$\textup{a11}\times\textup{a11}+\textup{a12}\times\textup{a21}=\mathbf{A11}$ 

$\textup{a12}\times\textup{a12}+\textup{a12}\times\textup{a22}=\mathbf{A12}$ 

$\textup{a21}\times\textup{a11}+\textup{a22}\times\textup{a21}=\mathbf{A21}$ 

$\textup{a21}\times\textup{a12}+\textup{a22}\times\textup{a22}=\mathbf{A22}$ 

$\textup{a11}\Rightarrow\textup{12+5}=\boxed{17}$ 

$\textup{a12}\Rightarrow\textup{24+15}=\boxed{39}$ 

$\textup{a21}\Rightarrow\textup{2+0}=\boxed{2}$ 

$\textup{a22}\Rightarrow\textup{4+0}=\boxed{4}$ 

$\begin{bmatrix}17&39\\2&4\\\end{bmatrix}$ 

Att;Guilherme Lima