The Fourier series of a functionf(x) defined on [-x, n] is given by 1 -cos 3x + 43 1 1 4 + - cos x + ¬cos 2x + 42 1 cos 4x + .... 44 4 The value of the integral (f(x))² dx = 481n 1) 30

Advanced Engineering Mathematics
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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The Fourier series of a function f(x) defined on [-n,n] is given by
1
1
4 + -cos x + ¬cos 2x +
42
1
cos 3x + cos 4x + ...
1
4
| r»² dx =
The value of the integral
481n
1)
30
193
2)
12
385л
3)
24
496A
Transcribed Image Text:The Fourier series of a function f(x) defined on [-n,n] is given by 1 1 4 + -cos x + ¬cos 2x + 42 1 cos 3x + cos 4x + ... 1 4 | r»² dx = The value of the integral 481n 1) 30 193 2) 12 385л 3) 24 496A
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