Determine if the series converges or diverges. Name the test…
Determine if the series converges or diverges. Name the test you use for the following series. a. ∑n=1∞ (-4)n+132n \sum_{n=1}^{\infty} \frac{(-4)^{n+1}}{ 3^{2n} } b. ∑n=0∞cosnπn+1 \sum_{n=0}^{\infty} \cos \left( \frac{n \pi}{ n+1} \right) c. ∑n=1∞ lnnn \sum_{n=1}^{\infty} \: \frac{\ln n}{n}