lean_workbook_plus_9970
ProvedProve that for all real numbers and , .
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_9970 (x y : ℝ) : 5 * x ^ 2 + y ^ 2 + 4 ≥ 4 * x + 4 * x * y := by sorry
Source
Prove that for all real numbers and , .
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_9970 (x y : ℝ) : 5 * x ^ 2 + y ^ 2 + 4 ≥ 4 * x + 4 * x * y := by sorry