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635, 98, 122 are not perfect squares as ...

635, 98, 122 are not perfect squares as they leave remainder 2 when divided by 3.

Text Solution

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The perfect square reminder of `(0,1)`
`(3x+1,3x)`
where `(3)` is natural number
`632,98,122`are not perfect square
because the reminder of `632,98,122` is `2` which is not in the form
`(3x+1,3x)`
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