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Quadratic Expressions, Perfect Square Not (Posted on 2010-01-03) Difficulty: 2 of 5
Prove that there cannot exist any positive integer x, such that each of 2x2 + 1, 3x2 + 1 and 6x2 + 1 is a perfect square.

See The Solution Submitted by K Sengupta    
Rating: 3.5000 (2 votes)

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re: more .... link issue | Comment 3 of 6 |
(In reply to more by Ady TZIDON)

Ady,

the link attached to "of the form" is referring to Perplexus and not Wolfram/Wikipedia/Sloane ... or whatever site you wish to send us.
  Posted by brianjn on 2010-01-05 07:57:13

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