the series definitely converges
the series might converge or diverge: we need more information
Question 11
To test this series for convergence
$$ \sum_{n=1}^{\infty} \frac{5^n + 3}{5^n} $$
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You could use the Limit Comparison Test, comparing it to the series $$ \sum_{n=1}^{\infty} r^n $$ where r=
Completing the test, it shows the series:
Diverges
Converges
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Question 12