Diketahui humpinan P = {3, 4, 5, 6}, Q = {2, 3, 5, 7, 11}

Diketahui humpinan P = {3, 4, 5, 6}, Q = {2, 3, 5, 7, 11} dan R = {5, 7, 9, 11}. Hasil dari (P n Q) u R adalah .... A. {3} B. {3, 5, 7} C. {2, 3, 5, 7, 9} D. {{3, 5, 7, 9, 11}