Questão 766750

\(\sum_{n\ =\ 1}^{+∞}\left(\frac{1}{n!}\right)\)

\(\sum_{n\ =\ 1}^{+∞}\left(\frac{1}{n}\right)\)

\(\sum_{n\ =\ 1}^{+∞}\left(\frac{1}{\sqrt{n}}\right)\)

\(\sum_{n\ =\ 1}^{+∞}\left(\frac{n^2\ +\ 78}{n^2}\right)\)

\(\sum_{n=1}^{+∞}\left(\frac{1}{3n}+\ \frac{1}{3n}\right)\)