Mathematics for IGCSE & O level - Sets (Section 1 - No. 11)
Given the set P = {1, 2, 3, 4} and Q = {3, 4, 5, 6}, what is P ∩ Q (the intersection of P and Q)?
{1, 2, 3, 4, 5, 6}
{1, 2}
{3, 4}
{5, 6}
Giải thích
The intersection contains the elements common to both sets, which are 3 and 4.