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Let `A={2,3,4,5,6,7,8,9}` Let `R` be the relation on A defined by `{(x,y):x epsilonA,yepsilonA` & `x^(2)=y` or `x=y^(2)`}. Find domain and range of `R

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Let `A={2,3,4,5,6,7,8,9}` Let `R` be the relation on A defined by
`{(x,y):x epsilonA,yepsilonA` & `x^(2)=y` or `x=y^(2)`}. Find domain and range of `R`.
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The relation `R` is
`R={(2,4),(3,9),(4,2),(9,3)}`
domain of `R={2,3,4,9}`
Range of `R={2,3,4,9}`
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