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Find the number 1-1 function, s(A)- A satisfying f(f(i))= i, A has four elements {1,2,3,4}.

Find the number 1-1 function, s(A)- A satisfying f(f(i))= i, A has four elements {1,2,3,4}.

Grade:12th pass

1 Answers

Arun
25757 Points
4 years ago
Dear student
 
Total one one function will be = 4 * 3* 2* 1 = 4! 
 
 = 24
 
Hope it helps
 
Regards
Arun (askIITians forum expert)
Regards
Arun

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