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  • Can someone help me with this, - Sets, Relations and Functions - JEE Main-2

If set A and B are such that A\cap B= \phi. Then which of the following is true?

  • Option 1)

    A\cup B= \phi

  • Option 2)

    A\cup B= A

  • Option 3)

    A\cup B= B\cup A

  • Option 4)

    A\cup B= B

 

Answers (1)

best_answer

As we learnt 

 

COMMUTATIVE PROPERTY OF UNION -

 

A ∪ B = B ∪ A

-

 

 

 


Option 1)

A\cup B= \phi

Option 2)

A\cup B= A

Option 3)

A\cup B= B\cup A

Option 4)

A\cup B= B

Posted by

Himanshu

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