the following number are not perfect square give reason
257
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The number 257 is not a perfect square because the number having 2, 3, 7 or 8 at the units place is never a perfect square; i.e., a square number never ends in 2, 3, 7 or 8.
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REGARDS
Monica.
HOPE THIS HELPS YOU.
Please mark the answer as brain list.
REGARDS
Monica.
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