Exercise 9.1

• Exercise 9.1 Question 1 Part (1 to 3) 18:26
• Exercise 9.1 Question 1 Part (4 to 6) 15:24
• Exercise 9.1 Question 2 10:07
• Exercise 9.1 Question 3 and 4 17:42
• Exercise 9.1 Question 5 8:47
• Exercise 9.1 Question 6 14:03
• Exercise 9.1 Question 7 10:48
• Exercise 9.1 Question 8 ( 1 to 3) 12:40
• Exercise 9.1 Question 8 (4 to 6) 9:16
• Exercise 9.1 Question 9 10:26

Exercise 9.2

• Exercise 9.2 Question 1 15:53
• Exercise 9.2 Question 2 19:35
• Exercise 9.2 Question 3 20:25
• Exercise 9.2 Question 4 29:53
• Exercise 9.2 Question 5 16:10

Exercise 9.3

• Exercise 9.3 Question 1 14:11
• Exercise 9.3 Question 2 15:47
• Exercise 9.3 Question 5 12:45
• Exercise 9.3 Question 6 13:49
• Exercise 9.3 Question 7 15:48
• Exercise 9.3 Question 8 10:14

Exercise 9.4

• Exercise 9.4 Question 4 Q 1 (1 to 4) 24:34
• Exercise 9.4 Question 2 12:49
• Exercise 9.4 Question 3 and 4 8:22

Review Exercise

• Review Exercise Question 1 8:53
• Review Exercise Question 2 7:46
• Exercise Question 3 12:50