Question

Help on limits problem!!

Answer 1

reviewing old exam but not sure how to do it

Answer 2

When you expand the summation part
\[\sum_{k}^{n} (6+3k) \rightarrow \frac{ 3n^{} }{ 2 } \]

Answer 3

It didn't show up right

Answer 4

\[\frac{ 3 n^{2} }{ 2 } + \frac{ 15n }{ 2 }\]

Answer 5

If you take the lim of that as n goes to infinty the first part goes to 3/2 and the second goes to 0 so the lim goes to 3/2