Find A B.
A: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
B: {−2, −1, 1, 4, 7, 11}

{−2, −1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

{1, 4, 7, 11}

{−2, −1, 1, 4, 7, 11}

{ }

Question

Find A  B.
A: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
B: {−2, −1, 1, 4, 7, 11}

 {−2, −1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

 {1, 4, 7, 11}

 {−2, −1, 1, 4, 7, 11}

 { }

anonymous · Answer

Are you looking for the union or intersection of the two sets?

anonymous · Answer

Yea

anonymous · Answer

Which are you looking for?

anonymous · Answer

If you are looking for the union (looks like a capital U between the A and B), then you take everything that belongs to the two sets.

If you are looking for the intersection (looks like an upside down U), then you take what the two sets have in common.