lean_workbook_plus_45269
DisprovedProve that
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_45269 : ∀ a b c : ℝ, (a + b + c) ^ 2 / (a * b + b * c + c * a) ≥ 9 / (a + b + c) := by sorry
Source
Prove that
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_45269 : ∀ a b c : ℝ, (a + b + c) ^ 2 / (a * b + b * c + c * a) ≥ 9 / (a + b + c) := by sorry