NEED ANSWER ASAP

5 4 -2 -1 -2 -1 -5 Let A = 3 5 and B 4 1 4 -4 -4 2 2 (a) (1 pt) Which is true for these two matrices? O Neither AB nor BA can be computed O AB can be computed, but not BA O BA can be computed, but not AB O Both AB and BA can be computed (b) (2 pts) What are the dimensions of the product matrices? If a product cannot be computed, just put -1 for the row and column dimensions. AB is a X matrix BA is a X matrix