Exercise 3. 3x +1= 2 (mod 9) a has no solution modulo 9 b. has six non-congruent solutions modulo 9 c. has a unique solution modulo 9 which is 2(mod 9) d. has only three non-congruent solutions modulo 9 which are 2(mod 9), 5(mod 9). and 7 (mod 9)
Exercise 3. 3x +1= 2 (mod 9) a has no solution modulo 9 b. has six non-congruent solutions modulo 9 c. has a unique solution modulo 9 which is 2(mod 9) d. has only three non-congruent solutions modulo 9 which are 2(mod 9), 5(mod 9). and 7 (mod 9)
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.5: Congruence Of Integers
Problem 37E
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