15 Dec 2020Question of the Day/Posted Bystephen/Comments0Will the following converge or diverge? $\sum\limits_{n=1}^\infty \frac{ (-1)^n x^n }{ \sqrt{1+n} } $https://mathsgrinds.ie/wp-content/uploads/2020/12/2020-12-12_21-23-29-1.mp4