Expand the function f(x) = x² - 2x + 1 in the interval [ -1, 1] using Fourier series formula.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Expand the function f(x) = x² - 2x + 1 in the interval [ -1, 1] using
Fourier series formula.
ηπη
NAX
f(x)= ag + Σ (an
+ bn sin
2
L
L
n=1
L
= √√²+ f(x) cos
1
2L
[²₁
[ f(x) sin
N|8
f(x)dx
an Cos
an
bn
LJ-L
NTX
L
NTX
L
-dx
-dx
Transcribed Image Text:Expand the function f(x) = x² - 2x + 1 in the interval [ -1, 1] using Fourier series formula. ηπη NAX f(x)= ag + Σ (an + bn sin 2 L L n=1 L = √√²+ f(x) cos 1 2L [²₁ [ f(x) sin N|8 f(x)dx an Cos an bn LJ-L NTX L NTX L -dx -dx
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