lean_workbook_plus_42013
ProvedProve that .
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_42013 (a b : ℝ) : 9 * a ^ 2 * b ^ 2 + (9 / 4) * (a + b) ^ 2 ≥ -9 * a * b * (a + b) := by sorry
Source
Prove that .
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_42013 (a b : ℝ) : 9 * a ^ 2 * b ^ 2 + (9 / 4) * (a + b) ^ 2 ≥ -9 * a * b * (a + b) := by sorry