(a) Make a list of all the congruences classes [a 21 which are contained in G21. (Show some work.) (b) Express each of the following inverses of congruence classes in the form [k]21 for some integer 0< k < 21. (Show some work) : (i) [5] (ii) [13] (iii) [20] 21
(a) Make a list of all the congruences classes [a 21 which are contained in G21. (Show some work.) (b) Express each of the following inverses of congruence classes in the form [k]21 for some integer 0< k < 21. (Show some work) : (i) [5] (ii) [13] (iii) [20] 21
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Please try to solve it in 20 minute
![(a) Make a list of all the congruences classes [a21 which are contained
in G21. (Show some work.)
(b) Express each of the following inverses of congruence classes in the
form [k]21 for some integer 0 < k < 21. (Show some work) :
(i) [5] (ii) [13] (iii) [20]2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8fdcee75-121e-4ca0-a034-a920f6c7fcd5%2F17d7922f-c399-4771-bc48-f1509f8f0bfd%2Fbcmzojf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(a) Make a list of all the congruences classes [a21 which are contained
in G21. (Show some work.)
(b) Express each of the following inverses of congruence classes in the
form [k]21 for some integer 0 < k < 21. (Show some work) :
(i) [5] (ii) [13] (iii) [20]2
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