Number TheoryHardDiophantine Equations ShareDiophantine Equations · Hard problemHow many integers nnn with 1≤n≤10001 \le n \le 10001≤n≤1000 can be written as x2−y2x^2 - y^2x2−y2 with integers x,yx, yx,y?Check Show answer Walk through it step by step Practice more like this Review this concept