यदि `A = {p,q,r,s), B = {q,s,u}` तथा C ={r,s,t,u} हो, तो निम्न का सत्यापन कीजिए
`A cap (B cup C) = (A cup B) cup (A cap C)`

Answer

A cap (B cup C) = (A cap B) cup (A cap C)`