Help Me Out!
Calculus
Level
4
If
\[\large a_n=\int_{0}^{{\pi}/ {2}} (1-\sin{x})^n \sin{2x} \, dx\]
, then
\[\large \lim_{m\to\infty} \sum_{n=1}^{m} \frac{a_n}{n}\]
equals?
by
Navdeep Kaswan