Question

Find A Ω 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}

{1, 4, 7, 11}

{−2, −1, 1, 2, 3, 4, 5, 6}

{ }

Answer 1

{1, 4, 7, 11}

Answer 2

A Ω B:{1, 4, 7, 11}