Prove the classical full Fourier series of $f(x)$ converges uniformly to $f(x)$ if $f(x)$ is continuous of period $2\pi$ and its derivative $f'(x)$ is piecewise continuous.
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2026-04-25 04:29:52.1777091392
Classical Full Fourier Series of f(x) converges uniformly to f(x)
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