[sub-project] Perfect cuboid

Fehler und Wünsche zum Projekt yoyo@home
Bugs and wishes for the project yoyo@home

Re: [sub-project] Perfect cuboid

Unread postby Zak » 08.12.2018 07:28

One of the face diagonals is divisible by 4, and I had every right to write: (defg)^2=16n^2. Is it clear?
Let's transform both last equations to the reduced form and try to determine the integer roots:
e3.JPG
e3.JPG (66.32 KiB) Viewed 27 times

Are you still in doubt?
Zak
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