Question

Diketahui:

A= { x | 1 < x < 20, x bilangan prima }
B= { y | 1 ≤ y ≤ 10, y bilangan ganjil }

hasil dari A irisan B adalah...

Answer 1

A = 2,3,5,7,11,13,17
B=1,3,5,7,9
A irisan B = { 3,5,7 }

Answer 2

A={2,3,5,7,11,13,17,19}
B={1,3,5,7,9}
A irisan B={3,5,7}