lean_workbook_plus_3918

Proved

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

Simplify the expression $(\sqrt{3})(3\sqrt{3})$ .

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_3918 : (Real.sqrt 3) * (3 * Real.sqrt 3) = 9   :=  by sorry

Source