Lemma
DeepInequalities
#1899 · Algebra · Inequalities

An inequality with positive numbers

If are positive and the sum of any two greater than the third, prove that .

~20 minProof · checked by AILogarithmic inequalitiesAM-GM inequality

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Miscellaneous Examples, No. 293

Stuck? A gentle nudge
Something off?
Workspace
Your working

Check your full solution

Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.

Your first check today doesn't need an account.

Your photos and PDFs are read once and not stored — only the transcription is kept.