Mathematics for IGCSE & O level - Sets (Section 1 - No. 7)
If set A is {1, 2, 3, 4, 5} and set B is {4, 5, 6, 7, 8}. What is the set A ∩ B (intersection)?
{1, 2, 3, 4, 5, 6, 7, 8}
{1, 2, 3}
{6, 7, 8}
{4, 5}
Giải thích
The intersection consists of common elements.