MODBasic Basic

Problem - 122

Let $a > b > c$ be three positive integers. If their remainders are $2$, $7$, and $9$ respectively when being divided by $11$. Find the remainder when $(a+b+c)(a-b)(b-c)$ is divided by $11$.

The solution for this problem is available for $0.99.
You can also purchase a pass for all available solutions for $99.