Let j and k be positive integers. What is the largest possible value of j+k given that j^2 = k^2 + 252?
I’d say that a good start would be to remember that it is the same as j+k * j-k = 252 and that 16^2 = 256. 
Let j and k be positive integers. What is the largest possible value of j+k given that j^2 = k^2 + 252?
I’d say that a good start would be to remember that it is the same as j+k * j-k = 252 and that 16^2 = 256.