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Product and Sum Principles with Recursion" $8.79   Add to cart

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Product and Sum Principles with Recursion"

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The document "Combinatorial Rules and Permutations: Product and Sum Principles with Recursion" provides a comprehensive exploration of fundamental combinatorial principles, focusing on the Product Rule, Sum Rule, and various permutation concepts. This detailed guide is designed to aid students, edu...

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  • July 10, 2024
  • 4
  • 2023/2024
  • Class notes
  • Rahul sir
  • All classes
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Permutations
24 November 2020 09:46



SUM RULE
If r activities can be performed in n1, n2, …, nr ways and if they are disjoint, viz., cannot be
performed simultaneously, then any one of the r activities can be performed in (n1 + n2 + … + nr)
ways.




PERMUTATIONS WITH REPETITION
1) When repetition of n elements contained in a set is permitted in r-permutations, then the
number of r-permutations is 𝑛 .




Recursion Page 1

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