Write a function to find the 5th root of a number.
It sounds easy, but the typical functions are not allowed (see the test suite), so you'll need to find a non-standard method to solve the problem.
Find the peak 3n+1 sequence value
Inner product of two vectors
Arrange vector in ascending order
Duplicate each element of a vector.
Not square-free number sequence
Scrabble Scores - 3
Rule of mixtures (composites) - other bound
Mechanical Advantage of a Gear Train
Scrabble Scores - 4
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