Computers and Technology, 09.04.2021 04:20, carlie4charlie

Write a recursive method called permut that accepts two integers n and r as parameters and returns the number of unique permutations of r items from a group of n items. For given values of n and r, this value P(n, r) can be computed as follows: n!/(n - r)!
For example , permut (7, 4) should return 840.

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Write a recursive method called permut that accepts two integers n and r as parameters and returns t...