Question

Find the least number which must be subtracted from each of the following numbers to make it a perfect square.(a) 1535

Answer 1

Answer:

23

Explanation:

The perfect square nearest to and lesser than 1535 is 1512=√39

Let the number to be subtracted=x

1535-x=39²

1535 - x = 1512

x=1535-1512

x=23