📘 matrix algebra

1. Construct the 2x2 matrices for each case: (a) Given $a_{ij} = \frac{(i - 2j)^2}{2}$, for $i,j = 1,2$:

1. Construct the 2x2 matrices: (a) $a_{ij} = \frac{(i - 2j)^2}{2}$ for $i,j=1,2$: