Find the functions represented by the series obtained by the termwise integration of the given seri…

Find the functions represented by the series obtained by the termwise integration of the given series from -πto x . (a) 2 ∑_n=1^∞ (-1)^n+1/n sinn x ∼x -π lt; x lt; π(b) 4/π ∑_n=0^∞ sin(2 n+1) x/(2 n+1) ∼f(x) f(x)={[ -1; 1 ]. [ -π lt; x lt; 0; 0 lt; x lt; π ]

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Видео Find the functions represented by the series obtained by the termwise integration of the given seri… канала Harry Walsh