Mathematics, 21.08.2019 21:30, queenskyyt

Let u be a universal set with subsets a and b such that n(u)=118, n(a)=57, n(b′)=69, and n(a∩b)=11. find the following:
n(b)=
n(a∪b)=
n((a∩b)′)=

Answers: 2

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Let u be a universal set with subsets a and b such that n(u)=118, n(a)=57, n(b′)=69, and n(a∩b)=11....