f(2) = {; -1, -n

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Q.3 A function f(x) is given as:
f«) = {
-1, - n <x < 0,
0 <x< n
a) Show that the Fourier series of this function in the real form is given by:
4 (sin x
sin 3x
f(x)
sin 5x
+..
%3D
1
3
b) Without any calculations find the complex form and write Co, C-1, C,C2. (Hint: use sin nx =
einx -e-inx
21
Transcribed Image Text:Q.3 A function f(x) is given as: f«) = { -1, - n <x < 0, 0 <x< n a) Show that the Fourier series of this function in the real form is given by: 4 (sin x sin 3x f(x) sin 5x +.. %3D 1 3 b) Without any calculations find the complex form and write Co, C-1, C,C2. (Hint: use sin nx = einx -e-inx 21
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