28 Diagram 10 shows three sets, P, Q and R in
which the universal set, ? = P U Q U R.
Rajah 10 menunjukkan tiga set, P, Q dan R di
mana set semesta, ? = P U Q U R.
P
R
DIAGRAM 10
RAJAH 10
Which of the following is one of the relations
between the three sets?
Antara yang berikut, manakah ialah salah satu
hubungan antara tiga set itu?