f(x) = x² si xe[- n; ¤] The Fourier series of the function (f) is as follows: n=+00 f(x) = ao + > a, cos(nx). n=1 Deduct the sum Sn=t0 (-1)" . n2 1. 2. Using Parseval's formula n=+00 1 [f(x)]² dx = a¿ + 2 ai + bå , n=1 To show that : Sn=+∞ 1 Ln=i n4 90 ||
f(x) = x² si xe[- n; ¤] The Fourier series of the function (f) is as follows: n=+00 f(x) = ao + > a, cos(nx). n=1 Deduct the sum Sn=t0 (-1)" . n2 1. 2. Using Parseval's formula n=+00 1 [f(x)]² dx = a¿ + 2 ai + bå , n=1 To show that : Sn=+∞ 1 Ln=i n4 90 ||
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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