u^2 ± 5 = v^2

 
 

Find a square number which, when increased or diminished by 5, gives a square number.

 
 

 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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About benvitalis

math grad - Interest: Number theory
This entry was posted in Number Puzzles and tagged . Bookmark the permalink.

2 Responses to u^2 ± 5 = v^2

  1. pipo says:

    (41/12)^2 – 5 = (31)/12)^2

    (41/12)^2 + 5 = (49)/12)^2

    pipo

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