Let R  be a relation in N defined by R=1+x,1+x2:x≤5,x∈N.Which of the following is false? 

Let R  be a relation in N defined by R=1+x,1+x2:x5,xN.Which of the following is false? 

  1. A

    R={(2,2),(3,5),(4,10),(5,17),(6,25)}

  2. B

    Domain of R={2,3,4,5,6}

  3. C

    Range of R={2,5,10,17,26}

  4. D

    None of these 

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    Solution:

    R={(2,2),(3,5),(4,10),(5,17),(6,26)}

    Domain of R={x:(x,y)N}={2,3,4,5,6}

    and range of R={y:(x,y)N}={2,5,10,17,26}

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