If then verify
(BA)2 ≠ B2 A2
The given matrices A has order 3 x 2 and B has order 2 x 3.
So, BA is defined and will have order 3 x 3.
But, A2 and B2 are not defined as the orders don’t satisfy the multiplication condition.
Hence, (BA)2 ≠ B2 A2