費馬三明治定理證明(懸賞) - 拼圖
By Bethany
at 2013-08-16T20:03
at 2013-08-16T20:03
Table of Contents
這一題從我高中開始就困擾我到現在了,一直都無法證明,
也找不到證明法,因此來這邊問問高手們
題目:
試證明26為唯一介在完全立方數和完全平方數之間的數
也就是你要證明 a^3-b^2=2, a^2-b^3=2 只有唯一解
這一題費馬早在三百年前就證明了
查過他的術語叫作費馬三明治定理:
http://mathworld.wolfram.com/FermatsSandwichTheorem.html
但仍然不知道如何證明
很希望解決這個長久以來的謎題,是故提出批幣1000為懸賞,
希望有人可以提供詳細證明,希望使用古典數論工具證明
在此感謝大家
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