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A positive rational function (Posted on 2019-11-01) Difficulty: 3 of 5
Let Q' denote the set of all positive rational numbers. If f:Q'→Q' satisfies

f(x2f(y)2)=f(x)2f(y),

evaluate f(2019).

No Solution Yet Submitted by Danish Ahmed Khan    
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  Subject Author Date
re: one solutionSteven Lord2019-11-01 11:25:51
one solutionDaniel2019-11-01 10:17:10
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