Page 11 - ADVANCED MATH F.5
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Form Five Form Five
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Answers to Exercise 1.3
}
1. A ∪ B = {a, b,c,d,e,f,g, h A ∩ B = {a, b,c,d,e }
}
B
2. A∪ = {Counting numbers
B
A∩ = {Even numbers }
3. G ∪ H = {20,25,30,45 }
25
G ∩ H = { }
4. J ∪ K = {0, ,3∆ }
J ∩ K = { }
∆
5. A ∪ B = {4,6,8,12,16,18,20, 24, 28, 30,
32, 36, 40, 42, 44, 48, 54 }
A∩ = { 12,24,36 }
B
Z
6. W ∪= {14,16,18,20 }
Z
W ∩= { } or ∅
}
7. A ∪ B = {94, 110, 120, 131, 140, 265
B
A∩ = {94,110 }
}
8. A∪ = {2,3,5
B
A∩ = { } 3
B
9. A ∪ B = {2, 3, 4, 6, 8, 9, 10, 12, 14, 15,
16, 18, 20, 21, 22, 24, 26 }
A ∩ B = {6, 12, 18, 24 }
10. A∪∪ = { , ,, ,abc d e }
B C
A∩∩ = { }
BC
5
Mathematics for Advanced Secondary Schools
30/06/2024 18:01:40
ADVANCED MATH F.5 TG CHAPTERS.indd 5
ADVANCED MATH F.5 TG CHAPTERS.indd 5 30/06/2024 18:01:40
