If A and B be any two sets, where n (A - B) = 8, n (AUB) = 20, and n(An B) = 6,
Find the following: i) n(B - A) ii) n (A) iii) n (B)
irroinactively prove that AF
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Answer:
n(A∪B)=n(A)+n(B)−n(A∩B)−−−−−−−(1)
Given n(A)=7
n(B)=9
n(A∪B)=14
Substituting in 1
14=7+9−n(A∩B)
⇒n(A∩B)=16−14=2Step-by-step explanation:
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