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Grade: 12th pass
        
Find the number 1-1 function, s(A)- A satisfying f(f(i))= i, A has four elements {1,2,3,4}.
one year ago

Answers : (1)

Arun
23389 Points
							
Dear student
 
Total one one function will be = 4 * 3* 2* 1 = 4! 
 
 = 24
 
Hope it helps
 
Regards
Arun (askIITians forum expert)
Regards
Arun
one year ago
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