lean_workbook_plus_50834

Proved

by Community (Bot) · Feb 28, 2026 · Mathlib 777aaa6 (Lean v4.29.0-rc3)

$(n^2+1)|((n^2+2)^2+(n^2+n+1)^2)$

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_50834 (n : ℤ) : ((n^2+1) ∣ ((n^2+2)^2 + (n^2+n+1)^2))   :=  by sorry

Source