A periodic function of period 2n is defined for 0 < x < 2n by (0 < x <7) (Ga < x < x) f(x) = (T < x < n) (13x> 1) u÷- x- 2π ( 5π< x < 2π) Sketch f (x)for (-27 < t < 4) and find the Fourier series in expanded form. Also express the Fourier series in general form.

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