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Unequally Yoked (Posted on 2004-02-26) Difficulty: 3 of 5
Find all pairs of unequal integers a, b such that a^b = b^a.

See The Solution Submitted by Aaron    
Rating: 3.6250 (8 votes)

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Some Thoughts re(2): Solution | Comment 5 of 12 |
(In reply to re: Solution by Frank Riddle)

That's right; the web reference proves that there is no other solution for positive integers, but the problem as posted here allows for negative numbers.
  Posted by Federico Kereki on 2004-02-26 13:50:13

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