Question

Let A = {red, blue} and let B = {3, 4, 5}. Find A X B.

{(red, 3), (red, 4), (red, 5), (blue, 3), (blue, 4), (blue, 5)}

{red, blue, 3, 4, 5}

{ }

{red, blue}

Answer 1

{(red, 3), (red, 4), (red, 5), (blue, 3), (blue, 4), (blue, 5)}

Answer 2

thnx

Answer 3

it's called Cartesian product, one of the four operation of sets
u can find more on:
http://wiki.answers.com/Q/What_is_the_four_operation_of_sets

and u r welcome