WAEC - Further Mathematics (2024 - No. 19)
Given that M and N are two sets. Which of the following is the same as (M ∩ N)'?
M' ∩ N'
M' U N
M ∩ N'
M' U N'
Explanation
Using De Morgan's law, (A ∩ B)′ = A ′∪ B′
Applying this to set M and N: (M ∩ N)' = M' U N'
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