Let's Break Off This Sum First

Algebra Level 4

Define the sequence \( t_r \) by

\[ \sum_{r=1}^n t_r = \dfrac{n(n+1)(n+2)(n+3)}8 .\]

Find \( \displaystyle \lim_{n\to\infty} \sum_{r=1}^n \dfrac1{t_r} \).

×

Problem Loading...

Note Loading...

Set Loading...