For finding series expansion solution of problems like(adsbygoogle = window.adsbygoogle || []).push({});

f(x) = h(x) for 0<x<1

f(x) = 0 for 1<x<2

0<x<2

Where the fourier series expansion only integrate from x=0 to x=1 only and totally ignor the portion of x=1 to x=2.

This is also true for fourier bessel series expansion also.

I never see the prove, this only show up in the work problems. Can anyone show me the prove of this.

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# Can anyone explain this regarding to fourier series and bessel series expansion?

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