A challenging sum of cube roots problem

I had fun solving this one! Special thanks this month to: Mike Robertson, Michael Anvari, Robert Zarnke, Fiona Harper, Kyle, Jamal Jackson. Thanks to all supporters on Patreon! From Professor Behrooz Parhami’s Twitter @BehroozParhami Subscribe: Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you buy from the links below I may receive a commission for sales. (As an Amazon Associate I earn from qualifying purchases.) This has no effect on the price for you. Book ratings are from June 2021. My Books (worldwide links) #worldwide My Books (US links) Mind Your Decisions: Five Book Compilation A collection of 5 books: “The Joy of Game T