Prove that (2,4) is the only integer solution to $\displaystyle a^b=b^a$

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- Apr 15th 2009, 01:32 PMMedia_ManThe first problem I ever became obsessed with...
Prove that (2,4) is the only integer solution to $\displaystyle a^b=b^a$

- Apr 15th 2009, 06:33 PMThePerfectHacker
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