Answer
A' = {3 , 5 , 9 , 13 , 14 , 19}
Step-by-step explanation:
∵ U is the universal set
∵ U = (3 , 5 , 6 , 9 , 10 , 13 , 14 , 17 , 19}
∵ A = (6 , 10 , 17}
∵ A' means all elements in the universal set except the elements in A
∴ A' = ( 3 , 5 , 9 , 13 , 14 , 19}