Mathematics, 26.10.2021 04:30, saderussell2003

N(p)=4 means that there a four elements in a set P. Given: n(X u Y)=50
n(X)=20
and n(Y)=40.
Determine n(X n Y)

Answers: 2

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N(p)=4 means that there a four elements in a set P. Given: n(X u Y)=50
n(X)=20
and n(Y...