If X, Y can take values from the set (1, 2, 3 ,4), find the probability that the product of X and Y is not greater than 6

If \(N = \begin{pmatrix} 3 & 5 & -4 \\ 6 & -3 & -5 \\ -2 & 2 & 1 \end{pmatrix}\), find \(|N|\).