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     EduGorilla 
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    If A and B are two finite sets such that A  B is not a null set, then n (A  B) is equal to

    Options :-

    1. n(A) + n(B)
    2. n(A) n(B)
    3. n(A) + n(B) + n(A B)
    4. None of these
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Reply To: If A and B are two finite sets such that A ∩ B is not a null set, then n (A ∪ B) i….
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