Exercise 15.  Show that  ,  where C is the line segment from  ,  by parametrizing C.  

Solution 15.

See text and/or instructor's solution manual.

Solution.  Parametrize C with  ,  for  .  Observe that    .  

Then we see that    

                    

This solution is complements of the authors.

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