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There are p copies each of n different books. Them number of different ways in which a non-empty selection can be made frm them is (a) (p+1) n - 1 (b) p n -1 (c) (p+1) n-1 - 1 (d)none

There are p copies each of n different books. Them number of different ways in which  a non-empty selection can be made frm them is


 


(a) (p+1) n - 1      (b) pn  -1       (c) (p+1) n-1  - 1      (d)none

Grade:12

1 Answers

Jitender Singh IIT Delhi
askIITians Faculty 158 Points
8 years ago
Ans:
Hello Student,
Please find answer to your question below

We have ‘p’ copies of each of ‘n’ different books.
Number of ways to select from p copies:
p + 1
Total no. of ways:
(p + 1)(p + 1))p + 1)................n times
(p + 1)n
Number of different ways of selection is
(p + 1)n– 1

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