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What is a permutation

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What is a permutation
  • 2 answers

Meghna Tyagi 8 years, 3 months ago

Permutation means selection

Deepti Choudhary 8 years, 3 months ago

Permutation is an arrangement in a definite order of a number of objects taken some or all at a time. The number of permutations of an different objects taken all at a time 0<r≤n And objects do not repeat is n (n-1)(n-2)_______ (n-r+1) which is denoted by n P r. .
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