Math 139 Fourier Analysis Lecture 12: Fourier series and the isoperimetric inequality

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Fourier Series and the Isoperimetrric Inequality. Basic knowledge about curves: parametrized curve; length of a curve; arclength parametrization. Area enclosed by simple closed curve is maximized if the curve is a circle.
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4:16 have a non zero... what? what are you saying? i can't hear you

larouche