Question

Let A = {1, 2, 3} and let B = {4, 5}. Find A X B.

{(1, 4), (1, 5), (2, 4), (2, 5), (3, 4), (3, 5)}

{1, 2, 3, 4, 5}

{ }

{1, 2, 3}

Answer 1

This is the operation of cartesian product. Thats the first one.

Answer 2

OHHH. thanks. I kinda forgot the meaning of the X . brain fart .