lean_workbook_plus_65981
ProvedProve that :
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_65981 (a b c : ℝ) : (a * b + b * c + c * a - 1) ^ 2 ≤ (a ^ 2 + 1) * (b ^ 2 + 1) * (c ^ 2 + 1) := by sorry
Source
Prove that :
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_65981 (a b c : ℝ) : (a * b + b * c + c * a - 1) ^ 2 ≤ (a ^ 2 + 1) * (b ^ 2 + 1) * (c ^ 2 + 1) := by sorry