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The relation R defined on A = {1,2,3} by...

The relation R defined on A = {1,2,3} by aRb, if `|a^(2)-b^(2)|le5`. Which of the following is false?

A

`R={(1,2),(2,3),(3,3),(2,1),(2,3),(3,2)}`

B

Co domain of `R={1,2,3}`

C

Domanin of `R={1,2,3}`

D

Range of `R={1,2,3}`

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