Limit of a Summation #1
Algebra
Level
3
\[\large{\lim_{n \to \infty} \displaystyle \sum_{i=2}^{n} \frac{i^2 + i - 1}{(i-2)! + (i-1)! + i! + (i+1)!} = \ ?}\]
by
Satyajit Mohanty