Q5) let x(t) be a 2π periodic function such that x(t) = t² forte [-1.]. a) Find the Fourier series for the parabolic wave. b) Sketch the amplitude spectrum. c) Find the bandwidth.

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Fourier Series

Most of the incidents studied in the field of Engineering and Science as a function of time. For example, current and voltage are in the alternating current circuit. These occasional activities can be analyzed in the activity components (fundamental frequency and harmonics) through a process called Fourier analysis.