Question

U ={1,2,...15}
A = {1,3,5,6,8,10}
B = {1,3,5,6,7,8,9,10}
C = {1,2,4,6,9,15}
Tentukan :
1. A irisan (BUC)
2. A irisan B irisan C
3. B\A
4. {X I X C A, n(X) = 3}. Denagn jalannya

Answer 1

1. A n ( B U C)
= A n ( 1,2,3,4,5,6,7,8,9,10,15)
=(1,3,5,6,8,10) n (1,2,3,4,5,6,7,8,9,10,15)
= (1,3,5,6,8,10)
2. A n B n C
= (1,6)