Math, asked by shravankunhoos4581, 5 months ago

If n(B-A)=2n(A-B)=4n(A intersection B )
N(A union B)=14 find n(P(A))

Answers

Answered by cutipiebabydoll
0

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=2

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