lean_workbook_plus_17333
ProvedProve that \n
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_17333 (a b c : ℝ) : a ^ 2 + b ^ 2 + c ^ 2 ≥ (a + b + c) ^ 2 / 3 := by sorry
Source
Prove that \n
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_17333 (a b c : ℝ) : a ^ 2 + b ^ 2 + c ^ 2 ≥ (a + b + c) ^ 2 / 3 := by sorry