Search found 5 matches
- Sat Jun 13, 2015 11:27 pm
- Forum: Secondary Level
- Topic: Find XYZ
- Replies: 10
- Views: 9711
Re: Find XYZ
I wanted the proof that no other solution exists. Otherwise, It's trivial to assume the solution .
- Sat Jun 13, 2015 11:25 pm
- Forum: Secondary Level
- Topic: Find XYZ
- Replies: 10
- Views: 9711
Re: Find XYZ
I wanted the proof that no other solution exists. Otherwise, It's trivial to assume the solution .
- Thu May 21, 2015 8:55 pm
- Forum: Secondary Level
- Topic: Find XYZ
- Replies: 10
- Views: 9711
Re: Find XYZ
It is from number theory. You should learn modular arithmetic to solve this . Parity will also help.
- Sun May 17, 2015 9:03 pm
- Forum: Secondary Level
- Topic: Find XYZ
- Replies: 10
- Views: 9711
Re: Find XYZ
x'^2+y'^2+z'^2=3x'y'z' , if you can solve this ,then we are done.Here is some informations that might help.
6|x'-1,6|y'-1,6|z'-1
6|x'-1,6|y'-1,6|z'-1
- Wed Apr 22, 2015 11:17 pm
- Forum: Secondary Level
- Topic: Find XYZ
- Replies: 10
- Views: 9711
Find XYZ
$x^2+y^2+z^2=xyz$ , find $(x,y,z)$, where $x,y,z$ are positive odd integers.