A4 Find the half-range Fourier sine series expansion for the function f(x) = x(Lx), for 0 < x < L. Evaluate the series at x = to show that ∞ (-1)k k-1 k=1 (2k - 1)³ 32 Sketch the graph of the odd periodic extension (period 2L).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 75E
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A4 Find the half-range Fourier sine series expansion for the function
f(x) = x(Lx),
for 0 < x < L.
Evaluate the series at x =
to show that
Σ
(-1)k-1
(2k - 1)3
k=1
=
3
32
Sketch the graph of the odd periodic extension (period 2L).
Transcribed Image Text:A4 Find the half-range Fourier sine series expansion for the function f(x) = x(Lx), for 0 < x < L. Evaluate the series at x = to show that Σ (-1)k-1 (2k - 1)3 k=1 = 3 32 Sketch the graph of the odd periodic extension (period 2L).
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