Question

If n(A)=15,n(AUB=29,n(A intersection B)=7 then n(B)​

Answer 1

Answer:

17 is the correct answer.

Step-by-step explanation:

n(AUB)=n(A)+n(B)-n(A intersection B)

29=15+n(B)-7

29+7-15=n(B)

n(B)=21

Answer 2

Answer:

n(B) =17.

Step-by-step explanation:

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