Question

The following number are not perfect square . Give reason 257

Answer 1

Answer :A number is said to be a perfect square when the square root of a number is a whole number. Hence 257 is not a perfect

square

Step-by-step explanation:

Answer 2

Answer:

We know that numbers which end with 2,3,7,8 are never perfect squares.

As 257 ends with 7 , it is not a perfect square .

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