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What percentage of all positive integers can be written in the form a^b*b^a (where a and b are positive integers)?

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What percentage of all positive integers can be written in the form a^b*b^a (where a and b are positive integers)?
posted Oct 20, 2018 by anonymous

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1 Answer

+1 vote

If one of a or b is equal to 1 then every positive integer can be written in given format. Example: a=1, b=n => a^b*b^a=1^n*n^1=n
So the answer is 100%

answer Oct 20, 2018 by Hanifa Mammadov
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