Problem #5: Expand the following function in a Fourier series. f(x) = 5x² + 10x, 0 < x < 4 Using notation similar to Problem #2 above, (a) Find the value of co. (b) Find the function gi(n,x). (c) Find the function g2(n,x).

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Problem #5: Expand the following function in a Fourier series.
f(x)
5x² + 10x, 0 < x < 4
Using notation similar to Problem #2 above,
=
(a) Find the value of co.
(b) Find the function gi(n,x).
(c) Find the function g₂(n,x).
Transcribed Image Text:Problem #5: Expand the following function in a Fourier series. f(x) 5x² + 10x, 0 < x < 4 Using notation similar to Problem #2 above, = (a) Find the value of co. (b) Find the function gi(n,x). (c) Find the function g₂(n,x).
The Fourier series for f(x),
f(x) = 0 + Σ (an cos x
ao
2
n=1
is of the form
f(x)
=
nπ
x + b₂ sin x)
co + Σ (gi(n,x) + g2(n,x))
n=1
Transcribed Image Text:The Fourier series for f(x), f(x) = 0 + Σ (an cos x ao 2 n=1 is of the form f(x) = nπ x + b₂ sin x) co + Σ (gi(n,x) + g2(n,x)) n=1
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