can you say whether the following numbers are perfect squares? how do we know 1057
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7
no perfect square has 7 at its units place hence it is not a perfect square
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we can not say...
the square of 32 is 1024
and perfect square of 33is 1089
so 1057 is not a perfect square. ...
the square of 32 is 1024
and perfect square of 33is 1089
so 1057 is not a perfect square. ...
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