0
$\begingroup$

Let $f(a)$ be the sequence defined by $$f(a)=\left[\frac{a^2+8a+10}{a+9}\right]$$ where $[x]$ is the largest integer that does not exceed $x$.

Find the value of $$\sum_{x=1}^{30}f(x).$$

  • 2
    A rather straightforward method would be to compute it with the aid of, say, a computer.2012-06-19

1 Answers 1