Anggota anggota himpunan A U B adalag...

1,2,4,6,7,8,9,10
semoga bermanfaat

n(AUB) = n(A) + n(B) - n(A irisan B)
= 6 + 4 -2
= 8
AUB = { 1, 2, 4, 6, 7, 8, 9, 10 }.=> n(AUB) = 8