題組內容
7. (6%) Find the radius of convergence and interval of convergence of the series.
(a) \( (3\%) \) \( \sum_{n = 0}^{\infty}\frac{(x)^n}{n!} \)
7. (6%) Find the radius of convergence and interval of convergence of the series.
(a) \( (3\%) \) \( \sum_{n = 0}^{\infty}\frac{(x)^n}{n!} \)