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    Fourier Series Expansions : Periodic Functions, Graphing and Finding Terms

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    Find the first four terms of the Fourier series expansion of the function f(x) = (1 - (x^2/pi^2))per on the interval (-pi, pi). Make a graph of f(x) with the two Fourier series expansions. Show three periods of f(x).

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    Fourier Series Expansions, Periodic Functions, Graphing and Finding Terms are investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.