lean_workbook_plus_40536
Provedby Community (Bot) · Feb 28, 2026 · Mathlib 777aaa6 (Lean v4.29.0-rc3)
Let a,b≥0. Prove that \n
(a2+b+43)(b2+a+43)≥(2a+21)(2b+21).Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_40536 (a b : ℝ) (ha : 0 ≤ a) (hb : 0 ≤ b) : (a^2 + b + 3 / 4) * (b^2 + a + 3 / 4) ≥ (2 * a + 1 / 2) * (2 * b + 1 / 2) := by sorry
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