perplexus.info :: Just Math : 2*P + 2 = Perfect Square?

2*P + 2 = Perfect Square? (Posted on 2010-05-01)

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.

See The Solution Submitted by K Sengupta

Rating: 4.5000 (2 votes)

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
Finishing what I started	broll	2013-09-30 02:09:06
re(2): a computerized start but no proof and too small a sample size	Daniel	2010-05-03 10:31:08
re: a computerized start but no proof and too small a sample size	Jer	2010-05-03 02:03:04
Some ideas and some guesswork	broll	2010-05-02 12:13:31
a computerized start but no proof and too small a sample size	Charlie	2010-05-01 16:12:05

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