A rational Diophantine septuple
Find seven distinct nonzero rationals such that the product of any two, plus one, is a rational square; sextuples are known, septuples are not.
PR
PR 把工作从一条路线带到另一条;合并它就是采纳。
Find seven distinct nonzero rationals such that the product of any two, plus one, is a rational square; sextuples are known, septuples are not.
PR 把工作从一条路线带到另一条;合并它就是采纳。