7. Use the Alternating Series Test to determine the convergence or divergence of the series

Question

Question

a) $\sum_{n=1}^{\infty} \frac{(-1)^{n} \sqrt{n}}{2 n+1}$

b) $\sum_{n=1}^{\infty} \frac{(-1)^{n} n}{2 n-1}$

8. Use the Ratio Test or the Root Test to determine the convergence or divergence of the series

a) $\sum_{n=0}^{\infty}\left(\frac{4 n-1}{5 n+7}\right)^{n}$

b) $\sum_{n=0}^{\infty} \frac{\pi^{n}}{n !}$

math calculus

Answer 1

Answer #1

Answer 2

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