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redthumb edited ratio.tex
over 9 years ago
Commit id: 3b3b33326351e51eee665a0e41b9075df6a74ec0
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index 838ef88..912e620 100644
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Using the above answer, we know that $S$ \\
\vspace{1em}
$L=\frac{9}{4} > 1$ : $S$ Diverges \\
Using the Ratio Test, determine the largest integer value of $x$ for which
the following series converges:
\begin{align}
\sum^{\inf}_{n=1} \frac{(n\:+\:1)\cdot x^n}{2\cdot3^{n}}
\end{align}
∞
∑ (n + 1)x^n/2*3^n
n=1
lim |a(n + 1) ÷ a(n)| < 1
n→∞
\end{document}