Prove that n! (n-r)!r! (4) is the number of subsets (combinations) with r elements which can be chosen from the set M with n elements.
Prove that n! (n-r)!r! (4) is the number of subsets (combinations) with r elements which can be chosen from the set M with n elements.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter3: Groups
Section3.2: Properties Of Group Elements
Problem 30E: 30. Prove statement of Theorem : for all integers .
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