Page 204 - ADVANCED MATH F.5

Form Five Form Five

logarithmic, and rational functions from the suggested
resources.
5. Ask students to attempt Exercise 9.12 in the Student’s Book.
Advise students to submit their work. Check the correctness
25. 2 FOR ONLINE READING ONLY
of their answers, and provide them constructive feedback.
Encourage students to explore additional resources, such as
online tutorials, Symbolab, Mathematica or reference books,
to enrich their understanding and for further practice.

Answers to Exercise 9.12

1. 16 2. 52 3. 32
3

4. 180 5. 15 6. 2
2

7. ln 2 22 12
8. 9. −
3 π
55 69 113
10. 11. ln 2 + 12.
4 4 24
13. 7174089 14. 9 3 1− 15. 5
5 128

16. 3ln 2 17. 3(e − 1) 18. 1 (2ln 2 ln 3)−
3
19. 2 20. − 3 ln 2 21. 0
7

12
1 e − 1   π−  4 
−
22. ln 7 23. 24. 10 cos(1) cos   

2 4e   4  
1 162 42− 4
−
26. (1 e − 2 ) 27.
2 9
198
Mathematics for Advanced Secondary Schools

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