Question 6
How many positive integral solutions $(x,y)$ are there for the equation
$$\frac{1}{x+1}+\frac{1}{y}+\frac{1}{(x+1)y}=\frac{1}{2015}?$$
$$\frac{1}{x+1}+\frac{1}{y}+\frac{1}{(x+1)y}=\frac{1}{2015}?$$
2015 CIMC keystage3-IWYMIC individual Question 6
xIMC · 2015 CIMC keystage3-IWYMIC individual