Q. 1 A4.6( 9 Votes )

If A and B are tw

Answer :

A B means A intersection B. Common elements of A and B come in this group.


Given A B


i.e. B is having all elements that is present in A.


A B = A.


Example: 

A= {1,2}

B={1,2,3,4}

A B = { 1,2} 
        = A

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