Divisibility with a and b
Determine all ordered pairs $(a,b)$ of positive integers for which $\dfrac{b^3-1}{ab-1}$ is an integer.
- Atonu Roy Chowdhury
- Posts:64
- Joined:Fri Aug 05, 2016 7:57 pm
- Location:Chittagong, Bangladesh
Re: Divisibility with a and b
Very simple and clear! Thanks