Exercise 6-1
1.
2.Ā Ā (a)Ā to (c)Ā Ā and 3.
4.
5.
6.
7.
Exercise 6.2
- (a) to (b)
1. (c) to (d)
2. (a) to (b)
2. (c) to (d)
Exercise 6.3
1.(a)
1. (b)
Ā
1.(c)
2. (a)
2.(b)
3. (a)
3. (b)
Exercise 6-7
- (a)Ā Ā and (b)
- (e)
2. (a)Ā Ā Ā andĀ Ā (b)
2(e)
Exercise 6.8
- (a)
Exercise 6.9Ā
- (a)
Ā
Exercise 6-10
- (a)
Exercise 6-11
- (a)
Exercise 6-12
Exercise 6.14
- and 2.
3. andĀ 4
Ā
5. (a)
