Let the function ƒ be defined as f(x) = |x| for x € [-1, 7| and f(x+2x) = f(x). (a) Is the Fourier series for f a sine-series, a cosine-series, or neither of these? Justify your answer. (b) Sketch the graph of the function to which the Fourier series converges over the interval [-37, 37].

Q: Find the Fourier serie

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A:

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A: Solution is given below:

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A: Step 1: Step 2: Step 3: Step 4:

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A:

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