Question

If A = {1, 2, 4, 5, 6} and B = {2, 6, 7}, then


A ∪ B = {1, 2, 4, 5, 6}


A ∩ B = {2, 6, 7}


A Δ B = {1, 4, 5, 7}


A – B = {1, 4}

Answer 1

Step-by-step explanation:

A U B = { 1, 2, 4, 5,6,7 }

A ∩ B = {2, 6 }

A Δ B = ( A-B ) U (B-A) = {1, 4, 5}U{7} = {1,4,5,7}

A – B = {1, 4, 5}