Diketahui :
A= {x/ 2≤ x < 22, x ∈ bilangan prima}
B= {5, 7, 9, 11, 13, 15}
Maka A-B= ....
a.
{2, 3, 17, 19}
b.
{5, 7, 11, 13, 15}
c.
{2, 3, 5, 7, 9, 11, 13, 15, 17, 19}
d.
{9, 15, 17}
A= {x/ 2≤ x < 22, x ∈ bilangan prima}
B= {5, 7, 9, 11, 13, 15}
Maka A-B= ....
a.
{2, 3, 17, 19}
b.
{5, 7, 11, 13, 15}
c.
{2, 3, 5, 7, 9, 11, 13, 15, 17, 19}
d.
{9, 15, 17}
Jawab:A-B = {2, 3, 17, 19}
Jadi, jawaban yang benar adalah a. {2, 3, 17, 19}.
Penjelasan dengan langkah-langkah: