Question

find the least number which must be added to 6412 to make it a perfect square?

Answer 1

■] Here is your answer :

Given number is 6412.

$\sqrt{6412} = 80.07 \: (approximately)$

So we have a perfect square 80² nearest to the given number.

Now 80² = 6400

Thus the required number to be added is

6400 - 6412 = -12

■] Hope it helps you.

Answer 2

The least number that must be added to 6412  to make it a perfect square is 6400-6412=-12