Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

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Topic review (newest first)

anonimnystefy
2013-10-01 05:03:51

Hi jacks

My post above still applies. I don't have a way to prove that are the only answers...

jacks
2013-10-01 05:01:40

To  friends I have edited by Question.

anonimnystefy
2013-10-01 04:41:09

Hi jacks

3 is the only one in the first 100 000 positive integers. If we allow non-negative integers as well, there are also 0 and 1. Those are the only ones I can find, and I'd say the only ones that are the solutions.

bobbym
2013-10-01 04:36:37

You have 2 x^2's.

jacks
2013-10-01 04:32:16

Integer values of

for which
is a perfect square.

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