Problem 7: Expand ƒ(x) = x², 0 < x < 27 in a Fourier series if (a) the period is 27, (b) the period is not specified. (a) The graph of f(x) with period 27 is shown in Fig. -67 -4 ہے f(x) . T X

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Q: Question2. A periodic function of period 27 is defined for 0 ≤ x ≤ 2π by f(x) = x T (0 ≤ x ≤n) (<…

A: The solution of the problem is given in the next steps.

Q: solve with fourier serires

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Q: Expand the f" S) in fourier series: f(x) = n + x, -A<x<0 =T- X, 0<x<n

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