pouydalpawan pouydalpawan

27-07-2021
Mathematics

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If there are12 books on a rack,a person has to choose 5books.
In how many ways can he choose if one particular book is always selected?

Respuesta :

loconte loconte

27-07-2021

Answer:

330

11 choose 4

[tex]=\frac{11!}{4!\left(11-4\right)!}\\= 330[/tex]

Step-by-step explanation:

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