SOLUTION: How can I find the Fourier coefficients of the function f defined by f(x) = x², [-π, π] where f(x + 2π) = f(x)?

Question 1202708: How can I find the Fourier coefficients of the function f defined by f(x) = x², [-π, π] where f(x + 2π) = f(x)?
Answer by ikleyn(52905) (Show Source): You can put this solution on YOUR website!
.

See this link

https://math.stackexchange.com/questions/2090023/calculate-fourier-series-of-fx-x2-x-in-pi-pi

See also the solution by Diana Ferreira under this link

https://www.quora.com/How-can-I-find-the-Fourier-series-for-the-function-F-x-x%C2%B2-in-the-interval-%CF%80-x-%CF%80-and-deduce-that-%CF%80%C2%B2-8-1-1-3%C2%B2-1-5%C2%B2-1-7%C2%B2-1-9%C2%B2

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