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Question

Let R be a relation on N defined by R={(1+x,1+x2):x5,xN}. Which of the following statements is FALSE?

A
R={(2,2),(3,5),(4,10),(5,17),(6,26)}
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B
Domain of R is {2,3,4,5,6}
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C
Range of R is {2,5,10,17,26}
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D
Range of R1 is {1,2,3,4,5}
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Solution

The correct option is D Range of R1 is {1,2,3,4,5}
Put x=1,2,3,4,5
Domain of R is {2,3,4,5,6}
Range of R is {2,5,10,17,26}
R={(2,2),(3,5),(4,10),(5,17),(6,26)}
Range of R1 is {2,3,4,5,6}

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