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If A ={1,2,3},B={x,y} then AxxB=...

If A ={1,2,3},B={x,y} then `AxxB`=

A

{1,2,3,X,Y}

B

{(1,X),(2,Y),(1,Y)}

C

{(X,A),(Y,B),(X,3)}

D

{(1,X),(1,Y),(2,X),(2,Y),(3,X),(3,Y)}

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • If A=[(1, 2, x),(3,-1,2)] and B=[(y),(x),(1)] be such that AB=[(6),(8)] , then

    A
    y=2x
    B
    y = -2x
    C
    y=x
    D
    y = -x

  • If the relation R: A rarr B where A={1,2,3,4} and B={1,3,5} is defined by R={(x,y),xlty,x in A,y in B} then ROR^(-1) is

    A
    {(1,3),(1,5),(2,3),(2,5),(3,5),(4,5)}
    B
    {(3,1),(5,1),(2,3),(2,5),(3,5),(4,5)}
    C
    {(3,3),(3,5),(5,3),(5,5)}
    D
    none of these

  • If a, b are noncollinear vectors and A = (x + 4y) a + (2x + y + 1)b, B = (y - 2x +2) a + (2x - 3y - 1) b and 3A = 2B, then (x, y) =

    A
    (2, 1)
    B
    (2, -1)
    C
    (-2, -1)
    D
    (-2, 1)

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