# Fourier series expansions

1. Find the Fourier series expansions of f(x) = Co + C1x^2 with respect to the following two orthonormal bases on the interval [0,L] (L>0)

a) {(1/L)^.5, (2/L)^.5*cos*((k*pi*x)/L)|k=1,2,...}

b) {(2/L)^.5*sin*((k*pi*x)/L)|k=1,2,....}.

https://brainmass.com/math/fourier-analysis/fourier-series-expansions-28533

#### Solution Summary

This solution shows how to find Fourier series expansions for the given equation.

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