Exercise 1.  Perform the required calculations and express your answers in the form  .

1 (a).  .

Solution 1 (a).

See text and/or instructor's solution manual.

One solution is

Another solution is

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