Answer: In each of 7 through 12 assume that the given function is periodically extended
Chapter 10, Problem 7(choose chapter or problem)
In each of 7 through 12 assume that the given function is periodically extended outside the original interval. (a) Find the Fourier series for the given function. (b) Let en(x) = f(x) sn(x). Find the least upper bound or the maximum value (if it exists) of |en(x)| for n = 10, 20, and 40. (c) If possible, find the smallest n for which |en(x)| 0.01 for all x.
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