c. Find all non-congruent solutions to x? = 1 (mod 15) d. Find all non-congruent solutions to x2 = 4 (mod 15)
c. Find all non-congruent solutions to x? = 1 (mod 15) d. Find all non-congruent solutions to x2 = 4 (mod 15)
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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Question
I did parts a and b I need help with parts c and d
Transcribed Image Text:Reduced residue system modulo 15
а.
Find a reduced residue system modulo 15.
b. Find the multiplicative inverse of each residue.
С.
Find all non-congruent solutions to x? = 1 (mod 15)
d. Find all non-congruent solutions to x? = 4 (mod 15)
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