Topic: \(\textbf{Calculus 2}\)
Q: Radius of convergence and interval of convergence for: \(\large \sum_{n=1}^{\infty} n!(2x-1)^n\)
Ratio Test for Divergence
\(\lim_{n \rightarrow \infty} \left| \frac{a_{n+1}}{a_n} \right|\) = L
if ( L < 1 )
then {convergent}
if( L > 1 )
then {"divergent"}
else {"inconclusive"}

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@agentx5, it looks right to me, if you are only asking for a double check.

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