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  • Help me understand! If set A has 5 elements and set B has 3 elements . How many bijective function can be formed from A to B ?

If set A has 5 elements and set B has 3 elements . How many bijective function can be formed from A to B ?  

  • Option 1)

    5!

  • Option 2)

    3!

  • Option 3)

    0

  • Option 4)

    4!

 

Answers (1)

best_answer

As we have learned

Number of Bijective Function -

If A & B are Bijective then n\left ( A \right )= n\left ( B \right )= m\left ( Say \right )

So number of Bijective functions= m!

-

 

 there can be no bijective function from A to B since number of elements should be same foe both set 

 


Option 1)

5!

Option 2)

3!

Option 3)

0

Option 4)

4!

Posted by

Himanshu

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