Question 31
Evaluate the sum
$$
\sum_{n=1}^{1994} (-1)^n \frac{n^2 + n + 1}{n!}
$$
$$
\sum_{n=1}^{1994} (-1)^n \frac{n^2 + n + 1}{n!}
$$
MathNet 1994 — Part 01 Question 31
Math Olympiad Vault · MathNet 1994 — Part 01
Math Olympiad Vault · MathNet 1994 — Part 01