Question

tell me in detail about the cartesian product of sets

Answer 1

let A and B are two sets
cartesian product of A and B is denoted as A X B

A X B ={(x,y)/ x∈A and y∈B}

example:
if A ={ 1,2,3}, B = {x,y}
A X B = { (1,x), (1,y), (2,x),(2,y),(3,x),(3,y)}