Question

Diket A = {x | x > 5, x bilangan asli} . B = {x | 3 < x< 8 ,x bilangan asli} Dan C={x | 5 < x < 10 , x bilangan asli}.
Dengan cara Mendaftar Anggotanya, tentukan : ( yang ada di pict)

Answer 1

A = {5,6,7,8,9...}
B = {4,5,6,7}
C = {6,7,8,9}

a.(5,6,7) union (6,7) = {5,6,7}
b.(5,6,7,8,9) irisan (4,5,6,7,8,9) = {5,6,7,8,9}
c.(4,5,6,7,8,9) irisan (5,6,7,8,9) = {5,6,7,8,9}