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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)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: SolutionHarry2010-01-13 17:11:01
SolutionSolutionPraneeth2010-01-12 09:01:59
Hints/Tipsstill nlng way to goAdy TZIDON2010-01-10 13:48:02
re: more .... link issuebrianjn2010-01-05 07:57:13
Some ThoughtsmoreAdy TZIDON2010-01-05 04:59:45
Some Thoughtsre: Pell's ( Bramagupta's) equationAdy TZIDON2010-01-03 19:41:01
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