1. Arrange the Fourier series of periodic (with period ω = 2π) function f (x) defined on the interval [-π; π]

2. Arrange in a Fourier series of f (x), defined in the interval (0; π) continue (where it is defined) its even and odd way. Build charts for each continuing.
2.10. f (x) = (x - 2) 2

3. Arrange in a Fourier series in the specified interval periodic function f (x) with period w = 2l
3.10. f (x) = 5x - 1, -5

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