Page 220 - Mathematics_Form_Two

Chapter name

6. 128 12. (a) 32 (b) 8 (c) 16
7. (a) F (c) T 13. (a) B ⊆ A (b) D ⊆ C

(b) F (d) T 14. (a) Disjoint
(b) Not Disjoint
8. C, D and E (c) Not disjoint
FOR ONLINE READING ONLY
9. C, D and F = 15. (i) True
Mathematics for Secondary Schools 11. (a) µ = {letters of English alphabets (iii) True
10. (a) (A) 0n
= (b) (A) 5n

(ii) True
}
}
(b) µ =
{Natural numbers
(iv) False
Exercise 7�4

15
1. A ∪ B = {5,10,15,20 }, A ∩ B = { }
2. A ∪ B = {14,16 }, A ∩ B {}=
,
3. A ∪ B = {a, b, c, d, e } A ∩ B = {a, b, c, d, e }
4. A ∪ B= {counting numbers }, A ∩ B = {prime numbers }

5. A ∪ B = {cup, spoon, plate } A ∩ B = {cup }
,
6. A ∪ B = {5,10,15,20,25 } , A ∩ B = {10,20 }
7 A ∪ B = {2,3,5,7 } , A ∩ B = { } 3

8. A ∪ B = {2,3,4,6,8,9 } , A ∩ B = { } 6

9. A ∪ B = {64, 81, 100, 121, 144 } A ∩ B = {64, 81 }
,
10. A ∩ B = { } d

11. A ∩ B = { }

12. A' = {5, 6, 7, 8 }, B' = {2, 4, 5, 6, 8 }

13. A = {orange, cabbage }

14. A ∪ B = {1, 2, 3, 4, 5, 6, 7, 8, 10 }
15. A' = {Red, blue }
16. (a) A'∩ B {5,6}= (c) B′∪ A′ = { 1, 2, , 5 6, 7 } (e) (A ∪ ) B ′= {}7

2
(b) (n A ∩ B )′= (d) B∪ A′= { 3, 4, 5, 76, }
17. (a) F (b) F (c) T (d) F (e) F (f) T

F {
F {4,6
18. (a) A ∪= 2, 4, 6, 8, 10 A,} ∩= }
(b) Y ∪ W {= 3, 4, 5,6, 7, 8, 9, 10 , Y} ∩ W {7, 8}=

214
Student's Book Form Two

11/10/2024 20:15:05
MATHEMATIC F2 v5.indd 214
MATHEMATIC F2 v5.indd 214 11/10/2024 20:15:05