lean_workbook_plus_20215
Provedprove that
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_20215 (a b : ℝ) : a ^ 2 - a * b + b ^ 2 ≤ (3 * (a ^ 2 + b ^ 2)) / 2 := by sorry
Source
prove that
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_20215 (a b : ℝ) : a ^ 2 - a * b + b ^ 2 ≤ (3 * (a ^ 2 + b ^ 2)) / 2 := by sorry