4.19. Let a, b e Z. Show that if a = 5 (mod 6) and b = 3 (mod 4), then 4a + 6b = 6 (mod 8).
4.19. Let a, b e Z. Show that if a = 5 (mod 6) and b = 3 (mod 4), then 4a + 6b = 6 (mod 8).
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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4.19; use complete sentences.
Transcribed Image Text:n), then a =6 (
mod m) .
4.19. Let a, b e Z. Show thatif a 5 (mod 6) and b= 3 (mod 4),
then 4a + 6b = 6 (mod 8).
4.20 Prove that if n is an integer such that n =8 (mod 9) then
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