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Let A={1, 2, 3, 7} and B={3, 0, -1, 7}, ...

Let `A={1, 2, 3, 7} and B={3, 0, -1, 7}`, which of the following are relation from A to B?
`R_(1)={(2, 1), (7, 1)}`

Text Solution

Verified by Experts

The correct Answer is:
it is not a relation , there is no element of (0,3) and (0,7) in `A xx B `
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Let A={1, 2, 3, 7} and B={3, 0, -1, 7} , which of the following are relation from A to B? R_(2)={(-1, 1)}

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Knowledge Check

  • Let X ={ 1,2,3,4,5} and Y= {1,3,5,7,9} which of the following is not a relation from X to Y ?

    A
    `R_1`={(1,3),(4,5),(5,7)}
    B
    `R_2 ` = {(1,1),(2,1),(3,3) ,(4,3),(5,5))}
    C
    `R_3` ={(1,1).(1,3),(3,5),(3,7),(5,7) }
    D
    `R_4 `= {(1,3),(2,5),(2,4),(7,9)}

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