Chapter 1: Sets
Chapter 1: Sets
Exercise
Question
Question: 1 (iv)
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Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 4}, B = {2, 4, 6, 8} and C = {3, 4, 5, 6}. Find:
(iv) (A ∪ B)'
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Answer
1
Find the union of sets A and B by finding all distinct elements from both sets.
A $∪$ B = {1, 2, 3, 4, 6, 8}
2
Find the complement of set (A ∪ B) by finding the elements of set U that are not elements of set (A ∪ B).
Answer: (A $∪$ B)' = {5, 7, 9}