Mathematics · Fourier Series

Let f(x) be a function defined on (-2, 2). If its Fourier series expansion is given by f(x) = a02 + ∑n=1∞ (an cos(knπx) + bn sin(knπx)), then the value of k is:

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Let f(x) be a function defined on (-2, 2). If its Fourier series expansion is given by f(x) = a02 + ∑n=1∞ (an cos(knπx) + bn sin(knπx)), then the value of k is:

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Let f(x) be a function defined on (-2, 2). If its Fourier series expansion is given by f(x) = a02 + ∑n=1∞ (an cos(knπx) + bn sin(knπx)), then the value of k is:

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