Consider the series $\displaystyle \sum_{n=1}^{\infty} \frac{3}{n + 6}$. Let $s_n$ be the n-th partial sum; that is,
$$s_n = \sum_{i=1}^n \frac{3}{i + 6} .$$
Find $s_{4}$ and $s_{8}$
$s_{4}$ =
$s_{8}$ =