Exercise 20. Many
texts give an alternative definition for , starting
with (5-1) as the definition
20 (a). Use the
the requirement from
condition (2) to show
, and , for all .
Solution 20 (a).
See text and/or instructor's solution manual.
Solution. implies ,
This solution is complements of the authors.
(c) 2008 John H. Mathews, Russell W. Howell