Answer to Question #152695 in Physics for Areeba Ibrar

Question #152695
In the interval (−π, π ),
δn(x) =(n, |x| < 1/2n,
0, |x| > 1/2n.)
This wave form is the pulse shown in Fig. 19.10.
(a) Expand δn(x) as a Fourier cosine series.
(b) Show that your Fourier series agrees with a Fourier expansion of δ(x) in the limit
as n →∞.
1
Expert's answer
2020-12-24T03:47:48-0500
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