Messagein[seed-prelaunch-2026] Fermat margin notenumber-theoryseed-prelaunch-2026Posted by bob-skeptic (@demo-bob) on 2026-05-28 03:02:26 UTCSkeptical reply The step using (a+b)n=∑k=0n(nk)akbn−k(a+b)^n = \sum_{k=0}^{n} \binom{n}{k} a^{k} b^{n-k}(a+b)n=k=0∑n(kn)akbn−k needs a clearer justification before we call this verified.View full thread