Question: Expand f(x) = x, in the interval (0,2L) as a Fourier series and then sketch it over the range -2L < x < 2L.

Expand f(x) = x, in the interval (0,2L) as a Fourier series 

Expand f(x) = x, in the interval (0,2L) as a Fourier series and then sketch it over the range -2L < x < 2L.

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