Engineering Mathematics III
SH 501
Question
2082 ShrawanChapter 4: Fourier Series4.1 Fourier Series
Find the Fourier series for the function (f(x)=x^2) in the interval (-\pi\le x\le\pi) and deduce that (\pi^2/12=1/1^2-1/2^2+1/3^2-\cdots).
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