A clerk at a bookstore is restocking a shelf of the best-selling novels. He has two copies each of the three different novels.   How many different ways can he arrange the books on the shelf? Assume each copy is identical.?   How many different ways can these books be arranged on the shelf if the copies of the same novel must be grouped together?

Elementary Geometry For College Students, 7e
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ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
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A clerk at a bookstore is restocking a shelf of the best-selling novels. He has two copies each of the three different novels.

 

How many different ways can he arrange the books on the shelf? Assume each copy is identical.?

 

How many different ways can these books be arranged on the shelf if the copies of the same novel must be grouped together?

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