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  • 21-07-2017
  • Mathematics
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How to simplify 10P6/10P4

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konrad509
konrad509 konrad509
  • 24-08-2018

[tex] nPk=\dfrac{n!}{(n-k)!}\\\\
\dfrac{ 10P6}{10P4}=\dfrac{\dfrac{10!}{4!}}{\dfrac{10!}{6!}}=\dfrac{10!}{4!}\cdot\dfrac{6!}{10!}=5\cdot6=30 [/tex]

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