Question: A microphone is located on the line connecting two speakers that are 0.938 m apart and oscillating in phase. The microphone is 2.83 m from

A microphone is located on the line connecting two speakers that are 0.938 m apart and oscillating in phase. The microphone is 2.83 m from the midpoint of the two speakers. What are the lowest two frequencies that produce an interference maximum at the microphone's location?

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