TL;DR
AM-GM Optimization: A canonical quantitative trading interview question at foundation difficulty. Commonly asked at Jane Street, HRT, Optiver, SIG.
By Valenke Exam Prep Team·Last updated 2026-06-01
foundationReal Analysis & Inequalities
AM-GM Optimization
Asked at: Jane Street, HRT, Optiver, SIG
Problem
Find the minimum value of for .
Then: a box with no top has surface area 108 square inches. Find the dimensions that maximize the volume.
Related concepts
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