Use the Limit Comparison Test for

${\displaystyle \underset{n=20}{\overset{}{}}}{a}_n={\displaystyle \underset{n=20}{\overset{}{}}}\frac{6n^2+7}{n(n-14)(n-1)}$

$to$ prove convergence $or$ divergence $of$ the infinite series.

$(Use$ symbolic notation and fractions where needed.$)$

$b_n=$

$\underset{n}{lim}\frac{a_n}{b_n}=$