Tolong bantu, ini tugas sulit Tugas yg nomor 3 paling kiri

a. A^c = {1,2,4,6,8,10,12,14,16,17}
b. B^c = {1,4,6,8,9,10,12,14,15}
c. {1,2,4,6,8,9,10,12,14,15,16,17}
d. {3,5,7,11,13}