lean_workbook_plus_15925

Proved

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

Squaring a number ending with 5 using Vedic math: $75^2$

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_15925 : 75^2 = 5625   :=  by sorry

Source