Question

let a and b be two finite sets such that n(aub) =12 and(a-b)=24 n(b-a)=45. find n(a) and n(b)

Answer 1

Step-by-step explanation:

this condition is not possible.

because n(aub) can't be smaller than n(a-b) and n(b-a)

I hope u understand.

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