A and b are two sets such that nA-3 and nB-6-Find i minimum value of n A- B ii maximum value of n A- B

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De Morgan's Law

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A and b are two sets such that $n (A) = 3$ and $n (B) = 6$ .
Find (i) minimum value of $n (A \cup B)$
(ii) maximum value of $n (A \cup B)$

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Let A and B be two non empty sets such that $n (A) = 5, n (B) = 6$ and $n (A \cap B) = 3$ .

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(ii) $n (B \times A)$ and

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n (A \cup B) = 50

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