Question

If A x B = {(a, x) (a, y) (b, x) (b, y) (c, x) (c, y)} then find A and B.

Answer 1

A x B = {(a, x) (a, y) (b, x) (b, y) (c, x) (c, y)}

A = {a, b, c}

B = {x,y}