Question

find the least number which must be added to the number so as to get a perfect square.find the square root of the perfect square so obtained 4220​

Answer 1

Step-by-step explanation:

And the square root of the perfect square 1764 is 42. Since , 252 is very close to 256 which is a perfect square; So, the difference which we will get is 4; And the square root of the perfect square 256 is 16.