Yes! You have seen it before
Algebra
Level
4
\[ \large \displaystyle\sum_{n=1}^{\infty}\frac{2n-1}{n(n+1)(n+2)}\]
If the summation above equals to \(\dfrac AB \), where \(A\) and \(B\) are coprime positive integers, find \(A+B\).
by
Akshat Sharda