N-1 N, k-r = mN, m an integer | Se-i(27/N)(k-r)n n=0 0, otherwise

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Prove it with the formula

N-1
N, k- r = mN,
m an integer
Se-j(27/N)(k-r)n
n=0
0,
otherwise
Transcribed Image Text:N-1 N, k- r = mN, m an integer Se-j(27/N)(k-r)n n=0 0, otherwise
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