The number 75 can be written as the sum of the squares of 3 different positive integers. What is the sum of these 3 integers?

Question: The number 75 can be written as the sum of the squares of 3 different positive integers. What is the sum of these 3 integers?Solution: 75 = 49 + 25 + 1 = 72 + 52 + 12 sum = 7 + 5 + 1 = 13