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2*P + 2 = Perfect Square? (Posted on 2010-05-01) Difficulty: 4 of 5
Each of P and Q is a nonnegative integer satisfying the equation: P2 = 28*Q2 + 1

Is 2*P + 2 always a perfect square?

If so, prove it. Otherwise, provide a counterexample.

No Solution Yet Submitted by K Sengupta    
Rating: 4.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
SolutionFinishing what I startedbroll2013-09-30 02:09:06
re(2): a computerized start but no proof and too small a sample sizeDaniel2010-05-03 10:31:08
re: a computerized start but no proof and too small a sample sizeJer2010-05-03 02:03:04
Some ThoughtsSome ideas and some guessworkbroll2010-05-02 12:13:31
Some Thoughtsa computerized start but no proof and too small a sample sizeCharlie2010-05-01 16:12:05
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