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A= {1,2,3,4} , B={3,4,5} then (A xx B)...

`A= {1,2,3,4} , B={3,4,5}` then `(A xx B)nn (B xx A)=`

A

{(3,3),(3,4),(4,3),(4,4)}

B

{(2,3) ,( 2,4) , (3,3),(3,4) ,( 4,3)(4,4)}

C

{(2,3),(3,3),(4,3)}

D

{(3,3),(4,4)}

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • If A =(3,4) B = ( 2,3,4) C = ( 3,4,5) then (Bxx B) nn (Cxx C ) is :

    A
    ` A xx A `
    B
    ` A xx B `
    C
    ` A xx C `
    D
    ` B xx C `

  • If A = {x:x^2 -5 x +6 =0},B={2,4 } , C={4,5 } , then A xx ( B cap C) is

    A
    `{(2,4) ,(3,4)}`
    B
    `{(4,2) ,(4,3)}`
    C
    `{(2,4),(3,4) ,(4,4)}`
    D
    `{(2,2),(3,3) ,(4,4) ,(5,5)}

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