In this blog post, we discuss how Npr equation can help students learn Algebra.

P r n represent the permutation. The permutation is the arrangement of the items into some sequence or order. The number of ways of arranging r items from a set of n items is: P r n = n!

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For the first letter, there are 5 possible choices. After that letter is chosen, there are 4 possible choices. Finally, there are 3 possible choices. 5 × 4 × 3 = 60 Using the permutation formula: The problem involves 5 things (A, B, C, D, E) taken 3

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Permutations is a mathematical function or method often denoted by (nPr) or n P r in the context of probability & statistics, represents how many number of