Let U = {English, French, History, Math, Physics, Chemistry, Psychology, Drama}, A = {English, Chemistry, French, Psychology}, B = {Math, Physics, History, French, Psychology}, and C = {Drama, Chemistry, History}. Find the following. n[(A ∪ B) ∪ C]

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A U B={English, Chemistry, French, Psychology, Math, Physics, History}

(A U B) U C={English, Chemistry, French, Psychology, Math, Physics, History, Drama}

n[(A U B) U C]=8