# Math Help - problem with divisibility

1. ## problem with divisibility

$a,b,k$ are positive integer numbers such that: $k|a^2b+1$ and $k|ab^2+1$ prove that $k|a^3+1$ and $k|b^3+1$.

Thanks for help.

2. what does | mean??

3. x|y means: y is divisible by x. Differently: x|y means that exists z (z is integer number) such that y=xz.

4. For forum organization purposes, there has been a new thread started by someone else with the same question.

http://www.mathhelpforum.com/math-he...ty-155566.html

Update: The problem has been resolved on the other thread.