問題詳情
6. We already know that the series

is convergent. Now, rewrite the series by combining 2n consecutively positive termsin the series, then followed by 2
n consecutively negative terms, where n = 1, 2, 3, …, to get a new series as follows:

+... , then the new series is still convergent.
(A)O
(B)X
參考答案