13. A women"s clothing chain takes inventory of one brand of sweater. The sweaters come in 3 sizes: small, medium, and large, and 5 colors. The inventories at stores A, B, and C are represented by the matrices below.
Show that A + B = B + A.
13. A women"s clothing chain takes inventory of one brand of sweater. The sweaters come in 3 sizes: small, medium, and large, and 5 colors. The inventories at stores A, B, and C are represented by the matrices below. Show that A + B = B + A. | |
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