Prove that "C, . (n-r) COS r=0 2ræ n = -n.2n-1.cos n T - n

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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Prove that "C. (n - r) cos
Σ
r=0
2rn
n
=
-n.2"-1.cos
n
TC
-
n
Transcribed Image Text:Prove that "C. (n - r) cos Σ r=0 2rn n = -n.2"-1.cos n TC - n
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