CBSE Class 11-science Answered
in a librery we have n kind of books with m different copies so in how many ways we can slect them
Asked by Piyush Gupta | 15 Aug, 2010, 12:00: AM
Expert Answer
Dear Student
Following is the solution of your question
Since you have not mentioned that how many books you need to select so we are assuming it is one
there are n types of book with m copies
there are n types of book with m copies
So 1 book can be any of the mand we need to select n of them
so mn ways
Regards
Team Topper
Answered by | 16 Aug, 2010, 10:34: AM
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