解

解

解答ステップ
級数比率テストを適用する:は収束する

人気の例

sum from k=0 to infinity of (0.5)^ksum from n=1 to infinity of (pi^n)/(3^n)sum from n=1 to infinity of (-10)^{-n}sum from n=1 to infinity of 1/(n^2+2n+3)sum from n=2 to infinity of (2/3)^{3n}