Question

Nyatakan himpunan bilangan berdasarkan sifat anggotanya
1.{1,4,7,10,13,16,19,...............31,34,37,40}
2.{1,4,9,16,25,49,64,81,100}

Answer 1

{x I 3x+1 , x≤13, x∈bilangan cacah }

{x I x² , x≤10, x∈bilangan asli}