Mathematics for IGCSE & O level - Sets (Section 2 - No. 16)
If the universal set U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and set A = {2, 4, 6, 8, 10}, what is A' (the complement of A)?
{1, 3, 5, 7, 9}
{2, 4, 6, 8, 10}
{ }
{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
คำอธิบาย
The complement of A includes elements present in the universal set but not found in set A.