Decide whether a matrix product is defined and give its order
Consider the matrices \(P\) and \(N\) shown below
\[P = \begin{bmatrix} 7 & 2 \\ -1 & -2 \\ -5 & 1 \end{bmatrix}\]
\[N = \begin{bmatrix} -3 & 5 \\ 5 & -9 \end{bmatrix}\]
Consider the matrices \(P\) and \(N\) shown below