Let A and B be two sets such that - n A - 20- n A - B - 42 and n A - B - 4- Find nA-B

n(A)=20 n(A⋃ #160; B)=42 n(A⋂ #160; B)=4 n(A B)=n(A) n(A⋂ #160; B) =20 4 =16 ...

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Let A and B b...

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Let A and B be two sets such that : $n (A) = 20$ , $n (A \cup B) = 42$ and $n (A \cap B) = 4$ . Find n(A-B)

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n (A) = 20

n (A \cup B) = 42

n (A \cap B) = 4

n (A \cup B) = 42

n (A \cap B) = 4

Let A and B be two sets such that n (A) = 20, n (A \cup B) = 42 and n (A \cap B) = 5 . Then, n (B - A) =

n (A) = 20, n (A \cup B) = 42 and n (A \cap B) = 4

n (B)

n (A - B)

n (B - A)

A

B

n (A) = 20

n (A \cap B) = 4

n (A \cup B) = 42

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