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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
The link in the description is dead, could use this instead: https://en.wikipedia.org/wiki/Nth_root#Simplified_form_of_a_radical_expression
Duplicate of https://www.codewars.com/kata/5850e85c6e997bddd300005d