Question

Tolong dijawab ya kak,jawab beberapa juga gapapa

Answer 1

S= semua
a=1,2,3,4,5,6,10,13
b=4,5,6,7,8,9,13,14

Answer 2

S = { 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15)
A = {1.2.3.4.5.6,10,13}
B = {4.5.6.7.8.9,13,14}
A ∩ B = { 4,5,6,13}
n (S) = 15
n (A) = 8
n (B) = 8
n (A ∩ B) = 4