Question

determine a matriz (a) = 3x 1, em que a = 2I² + 2J​

Answer 1

$\left[\begin{array}{ccc}a_{11}\\a_{21}\\a_{31}\end{array}\right] = \left[\begin{array}{ccc}2.1^{2}+2.1 \\2.2^{2}+2.1\\2.3^{2}+2.1\end{array}\right] = \left[\begin{array}{ccc}4 \\10\\20\end{array}\right]$