contestada

A = (1, 3, 5, 7, 9)
B = {2, 4, 6, 8, 10)
C = (1, 5, 6, 7, 9)
A U (B n C) =
{1,5,7,9)
(1, 3, 5, 6, 7, 9)
(1,5, 6, 7, 9)
set theory