Show that the Fourier series of frx)= x² in El, 1] is x2 (-19^ 4 CosnTx, and hence show that n2 n=} 12 32 +1 t- ... jl

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 62E
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Show that the Fourier series of frx)= x* in E1, 1] is
2.
E (-1)"4 cos Nīx and hence show thot
n2
n=}
22
32 4
+.
.
42
Transcribed Image Text:Show that the Fourier series of frx)= x* in E1, 1] is 2. E (-1)"4 cos Nīx and hence show thot n2 n=} 22 32 4 +. . 42
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