Question

3. If U = {1,2,3,4,5,6,7,8,9), A = {1,2,3,4} and B = {3,4,5,6}. Find
a) (AUB)'
b) B - A

Answer 1

Step-by-step explanation:

a)(AUB)' = { 789}

b)B- A = {56}