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} .

Finds_{4} and s_{8}

s_{4} =

s_{8} =

Find

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