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Q125. The equation n(A ∪ B) = n(A) + n(B) is true only if:

Mathematics — Sets, Functions and Groups — Question 125 of 232

A. A ∪ B = ∅
B. A ∪ B = A ∩ B
C. A ∩ B = ∅
D. A = B

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The equation n(A ∪ B) = n(A) + n(B) is true only if: | Mathematics MCQ #125 | Examora | Examora