Question

if A and B are two sets such that n(a)=16,n(b)=24 and n(aUb)=39 find n(ab)
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Answer 1

Answer:

1

Step-by-step explanation:

i think you are asking n(A∩B)

n(a) + n(b) - n(a∩b) = n(aUb)

let us assume n(a∩b) to be x

16 + 24 - x = 39

40 - x = 39

So, x = 1

∴n(a∩b) = 1

hope you are helped,

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