WAEC - Mathematics (1988 - No. 37)
If Q = (all perfect squares less than 30) and P = (all odd numbers from 1 to 10). Find Q ∩ P.
(1, 4, 9, 16, 25)
(1, 3, 4, 5, 7, 9, 16, 25)
(1, 3, 5, 7, 9)
(1, 9)
Φ
説明
Q = {1, 4, 9, 16, 25} P = { 1, 3, 5, 7, 9}
Q ∩ P = { 1, 9}
Q ∩ P = { 1, 9}