Question

Diket:s={x I x < 10, x bilangan asli}
a={x I x faktor dari 12}
b={x I x bilangan prima}
tentukan himpunan A,B,dan A n B.

Answer 1

A = {1,2,3,4,6,12}
b = {2,3,5,7,11,...}

a n b = {2,3}