How many ways can n books be placed on k distinguishable shelves b) if no two books are the same, and the positions of the books on the shel

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How many ways can n books be placed on k distinguishable shelves if no two books are the same, and the positions of the books on the shelves matter?

Aychik May 25, 2014

+2353

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Best Answer

Have a look at this;

reinout-g May 25, 2014

reinout-g · Answer 1 · 2014-05-25T02:07:06

Have a look at this;

Alan · Answer 2 · 2014-05-25T10:16:45

Is there any limit on the number of books that can fit on a shelf? Is n>k? n<k? n=k? Are all these allowed?