pairwise co-prime and m = mymy m. Then f(1) = 0 (m) has a soluti if each of the congruences f(x) = 0 (m) has a solution. Moreover, if s denote the number of solutions of f(x) = 0(m) and f(x) = 0(m.), resp x(m) x/mx/m slm

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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prove the corolary

Corollary 4.3. Let f(x) € Zr] and {mma} be positive integers such that they are
pairwise co-prime and m = mmm. Then f(1) = 0 (m) has a solution if and only
if each of the congruences f(x) = 0 (m.) has a solution. Moreover, if s(m) and s(m.)
denote the number of solutions of f(x) = 0(m) and f(x) = 0(m.), respectively. Then
s(m) = s(m₁)s(m₂)...s(m.).
Transcribed Image Text:Corollary 4.3. Let f(x) € Zr] and {mma} be positive integers such that they are pairwise co-prime and m = mmm. Then f(1) = 0 (m) has a solution if and only if each of the congruences f(x) = 0 (m.) has a solution. Moreover, if s(m) and s(m.) denote the number of solutions of f(x) = 0(m) and f(x) = 0(m.), respectively. Then s(m) = s(m₁)s(m₂)...s(m.).
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