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}

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}

anonymous · Answer

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

anonymous · Answer

Like you would normally multiply matrices.

anonymous · Answer

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

anonymous · Answer

yes, it is what you said, the first one

mathmate · Answer

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

anonymous · Answer

thanks