Let A and B be two sets such that n A -5- n A - B -9- n A - B -2- find n B-

Given: n(A) = 5, n(A #8746; B) = 9 and n(A #8745; B) = 2 We have to find n(B). Now, n(A #8746; B) = n(A) + n(B) n(A #8745; B) #8658;9 = 5 + n ...

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Concept of Inequality

Let A and B b...

Question

Let A and B be two sets such that n (A) = 5, n(A $\cup$ B) = 9, n (A $\cap$ B) = 2, find n (B).

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A

B

n (A) = 5, n (A \cup B) = 9, n (A \cap B) = 2

n (B)

n (A) = 20

n (A \cup B) = 42

n (A \cap B) = 4

A

B

n (A) = 16

n (B) = 12

n (A \cap B) = 8

n (A \cup B)

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

(i) n (B) (ii) n (A - B)

(iii) n (B - A)

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) =

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