Let a, b be integers. What does it mean for a = b (mod 17)? Describe the elements of Z17. Compute [5]-1 o [12] in Z17.

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 30E: 30. Prove that any positive integer is congruent to its units digit modulo .
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Let
а,
b be integers. What does it mean for a = b (mod 17)?
Describe the elements of Z17.
Compute [5]-1 O [12] in Z17.
Transcribed Image Text:Let а, b be integers. What does it mean for a = b (mod 17)? Describe the elements of Z17. Compute [5]-1 O [12] in Z17.
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