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  • Answer please! If set A={1,2,3}. Then which of the following are relations from A->A?

If set A={1,2,3}. Then which of the following are relations from A->A?

  • Option 1)

    {(1,1)}

  • Option 2)

    {(2,2)}

  • Option 3)

    {(1,1),(2,2)}

  • Option 4)

    All of the above

 

Answers (1)

best_answer

As we learnt

 

RELATIONS -

 

A relation R in a set A is subset of  A× A.

If A and B be any two sets, then a relation R from A to B is a subset of AXB.

-

 

 Only condition for a relation is that a relation is a subset of AxA.

 


Option 1)

{(1,1)}

Option 2)

{(2,2)}

Option 3)

{(1,1),(2,2)}

Option 4)

All of the above

Posted by

Himanshu

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