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LET SET A (1,2,3,4,5) & B(1,2,3) THEN a) NUMBER OF ONE ONE FUNCTIONS FROM A TO B b) NUMBER OF ONE ONE FUNCTIONS FROM A TO A SUCH THAT F(i) ≠ i, i BELONGS TO ELEMENTS OF A PLZ REPLY


LET SET A (1,2,3,4,5) &  B(1,2,3) THEN 



a) NUMBER OF ONE ONE FUNCTIONS FROM A TO B


b) NUMBER OF ONE ONE FUNCTIONS FROM A TO A SUCH THAT F(i) ≠ i, i BELONGS TO ELEMENTS OF A



 


PLZ REPLY 


Grade:12

1 Answers

SAGAR SINGH - IIT DELHI
879 Points
11 years ago

Dear student,

One-one function

There is one-one correspondence between the elements of the set A and the set B.

Many-one function

There is many-one correspondence between the elements of the set A and the set B.

Onto function

Every element of the set B has at least one pre-image.

 

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Askiitians Expert

Sagar Singh

B.Tech, IIT Delhi

sagarsingh24.iitd@gmail.com

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