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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1. Find the Fourier series of functions.

|cos x|, if
0 <x<n
(1) F(x) =
{"o*.
if
0 <x<n
1
(m) f (x) =
-1
if - n<x<0
Transcribed Image Text:|cos x|, if 0 <x<n (1) F(x) = {"o*. if 0 <x<n 1 (m) f (x) = -1 if - n<x<0
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