First of all I want to say that this is not the namesake competition . We are not " you against me " but " infinity against infinity". This post is for all those who have either created or have perceived " the most beautiful solution ever " .I created this for the dreamers who may want to wander through the realms of mathematics in one alley having many shops . Please provide the link to that particular solution(s).
Easy Math Editor
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2^{34}
a_{i-1}
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Claim: An irrational raised to the power of an irrational can be a rational.
Proof: Either \sqrt{2}^\sqrt{2} is irrational or rational.
If it is rational, we are done.
Otherwise, {\sqrt{2}^\sqrt{2}}^\sqrt{2} =\sqrt{2}^2 = 2 is rational.
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Nice example, but I think that the last equation should be written as
(22)2=2(2×2)=22=2,
since 222=1.7608..... is irrational.
Nice : )
Don Zagier's one sentence proof of Fermat's theorem on sums of two squares is quite beautiful.