Question

Qual é o valor do determinante abaixo

2
3
4
5
6​

Answer 1

$\large\boxed{\begin{array}{l}\rm A=\begin{vmatrix}\rm3&\rm2\\\rm5&\rm4\end{vmatrix}\\\\\rm det~A=3\cdot4-5\cdot2\\\rm det~A=12-10\\\rm det~A=2\end{array}}$