Diketahui S = {1,2,3,4,5,6,7,8,9,10}, P={1,2,3,4,5}, Q={2,4,6,8,10}, R={2,3,5,7} Tentukan anggota dari (PnQ)pangkat c-R

PnQ-R={2}
jadi jawabannya 2

S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
P = {1, 2, 3, 4, 5}
Q = {2, 4, 6, 8, 10}
R = {1, 3, 5, 7}

Maka
(P n Q) = {2, 4}
(P n Q) komplemen = {1, 3, 5, 6, 7, 8, 9, 10}
Sehingga
(P n Q) komplemen - R
= {1, 3, 5, 6, 7, 8, 9, 10} - {1, 3, 5, 7}
= {6, 8, 9, 10}