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Questions

Physics
The first overtone of an open organ pipe beats with the first overtone of a closed organ pipe with a beat frequency of 2.2 Hz. The fundamental frequency of the closed organ pipe is 110Hz. Find the lengths of the pipes.
Chemistry
Outline the accepted mechanism of the following reaction. Show the various steps including the charged intermediates.
Mathematics
For , evaluate (x^3m + x²ⁿ + x^m) (2x^2m + 3x^m + 6x^m)^1/mdx, x>0