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Oct 11, 2016 at 16:52 review Close votes
Oct 11, 2016 at 19:34
Oct 11, 2016 at 13:48 comment added Michael Stoll Why are you interested in this equation and its generalization?
Oct 11, 2016 at 13:04 answer added Michael Stoll timeline score: 10
Oct 11, 2016 at 11:56 answer added R.P. timeline score: 10
Oct 11, 2016 at 11:34 comment added R.P. Just to clarify: $a^2$ and $b^2$ need to be rational, but $a$ and $b$ need not be rational? In that case, why don't you write your equation as $(x-y)^4(x+y)=4xy$?
Oct 11, 2016 at 10:48 review Close votes
Oct 11, 2016 at 12:22
Oct 11, 2016 at 10:17 review First posts
Oct 11, 2016 at 10:32
Oct 11, 2016 at 10:14 history asked PNT. CC BY-SA 3.0