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Let A={1,2,3,4,5,6,7,8} and a relation R...

Let `A={1,2,3,4,5,6,7,8}` and a relation R on A is given by,
`R={(x,y):x in A,y in A and 2x+y=12}`
Find `R and R^-1` as sets of ordered pairs. Also find domains and ranges of `R and R^-1`.

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The correct Answer is:
`R={(2,8),(3,6),(4,4),(5,2),R^-1={(8,2),(6,3),(4,4),(2,5),"Dom".(R)="Range " (R) ="Dom".(R^-1)={2,4,6,8}`
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CHHAYA PUBLICATION-RELATION AND MAPPING -Short Answer Type Question
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