If U = {1, 2, 3, 4, 5, 6}, X = {2, 3, 4} and Y = {4, 5, 6}, then (X U Y)' = ____?
- {1}
- {2}
- {3}
- None of these
Explanation
X U Y = {2, 3, 4, 5, 6}
(X U Y)' = U - (X U Y) = {1}
Last verified on 15-03-2026
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