olymmath

Putnam 1955 A6

  • Session A
  1. Find a necessary and sufficient condition on the positive integer nn that the equation xn+(2+x)n+(2−x)n=0x^{n}+(2+x)^{n}+(2-x)^{n}=0 have a rational root.

Dataset text PutnamGAP. Quoted with source.

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