lean_workbook_plus_57772

Proved

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

We have $\lambda{\left(3^{2002}\right)} = 3^{2001}(3 - 1) = \boxed{2\cdot 3^{2001}}$ .

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_57772 : 3^(2001) * (3 - 1) = 2 * 3^(2001)   :=  by sorry

Source