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Fourier Analysis

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Multiple Choice

What is the fundamental theorem of Fourier analysis?

  1. Any periodic function can be represented as a sum of sine and cosine functions.
  2. Any function can be represented as a sum of exponential functions.
  3. Any function can be represented as a sum of complex exponentials.
  4. Any function can be represented as a sum of sine and cosine functions with different frequencies.
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