5. Solve x³x+15= 0 (mod 63). (Don't just list solutions! Consider modulo 7 and 9 then use the Chinese remainder theorem)
5. Solve x³x+15= 0 (mod 63). (Don't just list solutions! Consider modulo 7 and 9 then use the Chinese remainder theorem)
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 5 please.
Transcribed Image Text:5. Solvex³x+15= 0 (mod 63).
(Don't just list solutions! Consider modulo 7 and 9 then use the Chinese remainder theorem)
6. Prove the (⇒) direction of Corollary 4.16 if the system has a solution, then gcd (n₁, n;)
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