lean_workbook_plus_41789
ProvedProve that .
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_41789 (n : ℤ) : n^2 * (n-1) * (3*n+1) ≥ 0 := by sorry
Source
Prove that .
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_41789 (n : ℤ) : n^2 * (n-1) * (3*n+1) ≥ 0 := by sorry