Obtain the Fourier series over the interval – n to a for the function f (x) = x2 A. 2n2 [sin nx] 3 Zn=1 n2 2n2 [(-1)" sin nx 3 Zn=1 n2 (-1)" cos nx] C. + 4 En=1 3 n2 (-1)" cos nx 4 En=1 3 D. n2 B.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Obtain the Fourier series over the interval – n to n for the function f (x) = x?
А.
2n2
[sin nx'
+ En=1
3
n2
В.
2n2
4 En=1
[(-1)" sin nx
n²
(-1)" сos nх]
+ 4 En=1
3
100
С.
n2
(-1)" cos nx
4 En=1
D.
n²
Transcribed Image Text:Obtain the Fourier series over the interval – n to n for the function f (x) = x? А. 2n2 [sin nx' + En=1 3 n2 В. 2n2 4 En=1 [(-1)" sin nx n² (-1)" сos nх] + 4 En=1 3 100 С. n2 (-1)" cos nx 4 En=1 D. n²
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