Question

By using properties of perfect square so that the following number are not perfect square give reason also 1857

Answer 1

Answer:

Yes , 7 is in the list of number that are never perfect square , The number 1,857 is NOT a perfect square and we can stop here as there is not need to complete the rest of the steps

Answer 2

Answer:

We know that a number which ends with 2,3,7,8 is never a perfect square , , if number where ends except with the number of 2 , 3 , 7 or 8 it will be a perfect square

hence 1857 is not a perfect square