lean_workbook_plus_73903
ProvedProve that .
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_73903 (a b : ℝ) : (a + b) ^ 2 - 2 * a * b = a ^ 2 + b ^ 2 := by sorry
Source
Prove that .
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_73903 (a b : ℝ) : (a + b) ^ 2 - 2 * a * b = a ^ 2 + b ^ 2 := by sorry