Question

uma matriz aij 2x3 sendo

2i +J², se i=j
3i - j, se i#j

Answer 1

$A=\left[\begin{array}{ccc}2.1+1^2&2.1+2^2&2.1+3^2\\2.2+1^2&2.2+2^2&2.2+3^2\end{array}\right] \\ \\ A=\left[\begin{array}{ccc}3&6&11\\5&8&13\end{array}\right]$