Question

if A = {a,b,c,d} and B = {y,z} find A×A​

Answer 1

Answer:

(a,b,c,d)×(a,b,c,d)

Answer 2

A×A

(a,b,c,d) × (a,b,c,d)

(a×a) × (b×b) × (c×c)

a² × b² × c²