Number TheorySuperchallengeDiophantine Equations ShareDiophantine Equations · Superchallenge problemHow many ordered pairs of positive integers (x,y)(x, y)(x,y) satisfy x2+y2=13(x+y)x^2 + y^2 = 13(x + y)x2+y2=13(x+y)?Check Show answer Walk through it step by step Practice more like this Review this concept