Homework 3
      
      
         			Due date: November 17, 2006
         			Points: 100
      
      
      
      Regular Problems
      
      
         	
         
            
- 
               				(20 points)
               				text, exercise 5.2
            
 
         
         	
         
            
- 
               				(20 points)
               				text, exercise 6.8
            
 
         
         	
         
            
- 
               				(20 points)
               				text, exercise 9.6
            
 
         
         	
         
            
- 
               				(20 points)
               				text, exercise 9.10
            
 
         
         	
         
            
- 
               				(20 points)
               				text, exercise 9.16
            
 
         
         
      
      
      Extra Credit Problems
      
      
         	
         
            
- 
               				(10 points)
               				text, exercise 5.3 (you need not give a mathematical
               	proof; a strong, correct argument will suffice)
            
 
         
         	
         
            
- 
               				(30 points)
               				text, exercise 9.17