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23 October, 02:07

How many different ways are there to arrange 12 books on shelf

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Answers (2)
  1. 23 October, 02:53
    0
    6 ways
  2. 23 October, 02:55
    0
    You can arrange the 9 normal books in 9 ways, creating 10 slots where one of the three common books may be placed.

    Step-by-step explanation:

    There are 10⋅9⋅8 ways to choose different slots for those three books. The total number of allowable arrangements therefore is 9!⋅720=261273600
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