Page 112 - Mathematics_Form_Two

Exponents and radicals

) (
( 23 - 2 ´ ) ( 3 32 = ) ( 23´ 3 + 23 32 + - ) ( 2 ´ 3 + - ) ( 2 32 ) 3 2 )
+
´
´
( ) (
( 23 - 2 ´ ) ( 3 32 = 23´ 3 +23 - 23 32 + - ´ ´ 2 ) ) ( ( + 2 ´ 3 32 = = 3 + - 23´ 3 + ) ( 6 34 ) ( 2 ´ 3 + - ) ( 11. ´ 5 ´ 13
) (
) ( (
)
)
)
) ( (
-
+ ´
+
2 32
29 6 6 - 2 32 23 32 + -
´
23 5 6 32

+
-
= 29 6 6 - 6 34 = ´ + -´ 6 34 12. ( 21+ 2 )
=
29 6 6 -
+
-
=+ -
6 56 6
= ´ + -´ = ´ + -´
23 5 6 32
23 5 6 32
FOR ONLINE READING ONLY
665 6
= - +
Mathematics for Secondary Schools Therefore, ) ( 3 32´ + ) = 56 . 15. 5´ 24´ 40
=+ - =+ - 13. 2 2´ 10´ 20
6 56 6
6 56 6
= - + = 56
665 6
665 6
= - +
= 56 = 56 14. 6´ 8´ 10´ 12
( 23 -
2
Exercise 5�9 16. 8 ( 2 - 18 )
Simplify each of the following radicals:
17. 5 ( 2 + 18 )
1. 20´ 5
18. 6 2 ( 2 - 18 )
2. 12´ 3
19. ( 2 5 1+ ) ( 35 1+ )
´
3. 45´ 54
20. ( 8 2 - 2 )
4. 2 3´ 54
21. ( 7 5 + )( 7 5 - )
5. 3 10 3 10´
22. ( 4 3 - 12 )( 3 + 2 )
6. 32´ 12
7. 2 3 5 12´ 23. ( 23 1+ 2 )
)(
8. ( 2 15 2 ) 24. ( 23 - 5 23 3 5+ )

9. ( 6 3 ) 25. ( 6 − 24 )( 2 + 3 )

2
10. ( 2 15 ) ( ) 2 26. 8 ( 2 − 18 )
7

106
Student's Book Form Two

11/10/2024 20:12:32
MATHEMATIC F2 v5.indd 106
MATHEMATIC F2 v5.indd 106 11/10/2024 20:12:32