Question

What least number must be added to 768 to make the sum a perfect square? Find this perfect square and its square root. *

Answer 1

Answer:

So, 1458 needs to be multiplied by 2 to become a perfect square. Here, 2 are in pair, but 3 needs a pair to make 768 a perfect square. So, 768 needs to be multiplied by 3 to become a perfect square.