Rain Man
Calculus
Level
3
\[ \lim_{n \to \infty} \bigg ( \frac 1 n + \frac 1 { n+1} + \frac 1 {n+2} + \ldots + \frac 1 { 4n} \bigg ) = \ ? \]
For more problems refer to the set Calculus Challenges.
by
Anupam Khandelwal