Question

Diketahui himpunan-himpunan :
M = {x | 1 ≤ x ≤ 9, x ∈ bilangan prima}
N = {x | 1 < x < 9, x ∈ bilangan ganjil}

M ∨ N = ...

Answer 1

M = {2, 3, 5, 7}
N = {3, 5, 7}

M v N = {2, 3, 5, 7} v {3, 5, 7}
M v N = {3, 5, 7}