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Combinatorics
Value of R in Combinatorics Formulas
Value of R is the number of things that are selected for Permutation or Combination out of a given set of ’N’ things, and it should be always less than n. And is denoted by r.
Combinatorics formulas that make use of Value of R
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No of Combinations of N Different Things taken R at once
Go
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No of Combinations of N Different Things taken R at once and Repetition Allowed
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No of Combinations of N Different Things taken R at once given M Specific Things Always Occur
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No of Combinations of N Different Things taken R at once given M Specific Things Never Occur
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nCr or C(n,r)
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No of Combinations of N Identical Things into R Different Groups if Empty Groups are Allowed
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No of Combinations of N Identical Things into R Different Groups if Empty Groups are Not Allowed
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No of Circular Permutations of N Different Things taken R at once if both Orders taken as Same
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No of Circular Permutations of N Different Things taken R at once if both Orders taken as Different
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Number of Permutations of N Different Things taken R at once
Go
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Number of Permutations of N Different Things taken R at once given One Specific Thing Always Occurs
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Number of Permutations of N Different Things taken R at once given One Specific Thing Never Occurs
Go
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Number of Permutations of N Different Things taken R at once given M Specific Things Always Occur
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Number of Permutations of N Different Things taken R at once given M Specific Things Never Occur
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Number of Permutations of N Things taken All at once given R of them are Identical
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Number of Permutations of N Different Things taken R at once and Repetition Allowed
Go
f
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Number of Permutations of N Different Things taken Not More than R at once and Repetition Allowed
Go
FAQ
What is the Value of R?
Value of R is the number of things that are selected for Permutation or Combination out of a given set of ’N’ things, and it should be always less than n.
Can the Value of R be negative?
{YesorNo}, the Value of R, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.
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