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Figure out how many solutions x² = x(mod n) has for n = 5,6,7 and then compute how many solutions there are modulo 210.

Figure out how many solutions x² = x(mod n) has for n = 5,6,7 and then compute how many solutions there are modulo 210.

Advanced Engineering Mathematics
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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Figure out how many solutions x² = x(mod n) has for n = many solutions there are modulo 210. Solution: 5,6,7 and then compute how
Transcribed Image Text:Figure out how many solutions x² = x(mod n) has for n = many solutions there are modulo 210. Solution: 5,6,7 and then compute how
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