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0 votes
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in Mathematics by (8.0k points)

If A and B are two finite sets, then n(A) + n(B) is equal to ___________

1 Answer

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Best answer

Since n(A ∪ B) = n (A) + n (B) – n (A ∩ B)

So,

n(A) + n (B) = n (A ∪ B) + n (A ∩ B)

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