Question 72
Find the value of
$$
\sum_{k=1}^{60} \sum_{n=1}^{k} \frac{n^{2}}{61-2 n}
$$
$$
\sum_{k=1}^{60} \sum_{n=1}^{k} \frac{n^{2}}{61-2 n}
$$
MathNet 2018-part-07 — 177 problems (EN–VI) Question 72
Math Olympiad Vault · MathNet 2018-part-07 — 177 problems (EN–VI)