Answers

PROBLEMS 1

5. ; xB//2 and x/3.

6. ; /20/x0/3.

7. ; xB/1, x/2.

8. ; 1B/xB/2.

9. ; 1B/x0/3.

10. ; 0B/xB/2.

11. ; /160/x0//2 and 20/x0/6.

12. ; /40/x0//3 and 10/x0/2.

Also b/ (a/b )/2/(b/a )/2/0, so b/(a/b)/2.