1. The periodic function f(x) has period 27. It is defined in the interval 0≤x≤ by f(x) = 2x² (a) Sketch this function on the interval -47 ≤x≤ 47 for the two cases i. f(x) is an odd function. ii. f(x) is an even function. (b) What can be deduced about the Fourier coefficients in these two cases?

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