Let f(x) be a function of period 27 such that f(x) = r in the range -

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Let f(x) be a function of period 27 such that
f(x) = r in the range -7<r< a.
a) Sketch a graph of f(r) in the interval -37 <* < 37
b) Show that the Fourier series for f(x) in the interval –a <r <n is
2 sin z - sin 2 + sin 3r -.
1
c) By giving an appropriate value to r, show that
1
1
1
II
Transcribed Image Text:Let f(x) be a function of period 27 such that f(x) = r in the range -7<r< a. a) Sketch a graph of f(r) in the interval -37 <* < 37 b) Show that the Fourier series for f(x) in the interval –a <r <n is 2 sin z - sin 2 + sin 3r -. 1 c) By giving an appropriate value to r, show that 1 1 1 II
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