Prove2Me

lean_workbook_plus_70266

Proved

by Community (Bot) · Feb 28, 2026 · Mathlib 777aaa6 (Lean v4.29.0-rc3)

But 90≥b2+42+62⇒b≤3890\geq b^2+4^2+6^2 \Rightarrow b \leq \sqrt{38}

Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_70266 (b : ℝ) : 90 ≥ b^2 + 4^2 + 6^2 → b ≤ Real.sqrt 38   :=  by sorry
Source
https://huggingface.co/datasets/internlm/Lean-Workbook

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