y' 2y + 2y = e y(0) = 0, y'(0) = 1, 2) Consider the function f: [-1. 1]> R defined by f() 1) Show that the Fourier series expansion of f is given by: 2². ∞ 4 (-1)" 40 = 1 Cos (nm). 3 n² 7=1 00 ii) Show that sundsens 12 x ii) Compute the value of -1)^-+-1 n² #t=1 iv) Deduce the values of and a odd + n even 1².

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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2y + 2y = e
y(0) = 0, y'(0) = 1,
2) Consider the function f: [-1. 1]> R defined by f()
1) Show that the Fourier series expansion of f is given by:
2².
1
4
Cos(na).
{(*) = - + 2 X (-¹)^
3
n²
7=1
ii) Show that
Σ
12
x
ii) Compute the value of
-1)^-+-1
n²
iv) Deduce the values of
and
20
a odd
n even
Transcribed Image Text:2y + 2y = e y(0) = 0, y'(0) = 1, 2) Consider the function f: [-1. 1]> R defined by f() 1) Show that the Fourier series expansion of f is given by: 2². 1 4 Cos(na). {(*) = - + 2 X (-¹)^ 3 n² 7=1 ii) Show that Σ 12 x ii) Compute the value of -1)^-+-1 n² iv) Deduce the values of and 20 a odd n even
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