lean_workbook_plus_1244
ProvedProve that
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_1244 (x y z : ℝ) : x ^ 2 + y ^ 2 + z ^ 2 ≥ (x + y + z) ^ 2 / 3 := by sorry
Source
Prove that
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_1244 (x y z : ℝ) : x ^ 2 + y ^ 2 + z ^ 2 ≥ (x + y + z) ^ 2 / 3 := by sorry