Question

Let A = {red, yellow} and let B = {1, 2, 3}. Find A X B.

{(red, 1), (red, 2), (red, 3), (yellow, 1), (yellow, 2), (yellow, 3)}

{red, yellow, 1, 2, 3}

{ }

{1, 2, 3}

Answer 1

just multiply like you would normally holding red and yellow as variables.

Answer 2

Like you would normally multiply matrices.

Answer 3

so it would be {(red, 1), (red, 2), (red, 3), (yellow, 1), (yellow, 2), (yellow, 3)}?

Answer 4

yes, it is what you said, the first one

Answer 5

{(red, 1), (red, 2), (red, 3), (yellow, 1), (yellow, 2), (yellow, 3)}
is correct!

Answer 6

thanks