Exercise 7.  For  , let  ,  where  ,  and  .  Find  

7 (c).  .

Solution 7 (c).

See text and/or instructor's solution manual.

We are done.   

Aside.  We can let Mathematica double check our work.

This solution is complements of the authors.

(c) 2008 John H. Mathews, Russell W. Howell