Exercise 3.1

• Question no 1 and 2 13:24
• Question no 3 to 10 14:14
• Question no 11 12:50

Exercise 3.2

• Question no 1 and 2 9:25
• Question no 3 to 12 20:11

Exercise 3.3

• Question no 1 and 2 23:11
• Question no 3 and 4 11:31

Exercise 3.4

• Question no 1 23:00
• Question no 2 35:34

Exercise 3.5

• Question no 1 to 3 10:26
• Question no 4 to 6 8:29

Exercise 3.6

• Question no 1 20:01
• Question no 2 7:34

Exercise 3.7

• Question no 1 to 3 8:26
• Question no 4 to 6 8:25
• Question no 7 to 9 11:40