Homework 7

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***Undergrad Student Homework***

Geddes et al (Read pp 32 - 37)

(1) Write a Maple procedure, called My_iEEA that implements
    the Extended Euclidean Algorithm on the integers

(2) Use My_iEEA to compute the multiplicative inverse of  
    23 mod 511

(3) Write a Maple procedure, called My_EEA() that implements
    the Extended Euclidean Algorithm on the polynomial ring
    Q[x], where  Q  denotes the field of rational numbers.

 (4) Use My_EEA to compute the multiplicative inverse of  
    1 + x + x2  mod  1 + x + x7
	 
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*** Grad Student Homework***

(1) Do (3) and (4) of the undergrad homework

(2) Then answer the following questions in Cox et al:
	5, p66
	1, p78
	7, p78
	8, p78
	
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