## darkfortedx Group Title How do i know if its abs convergence or not? one year ago one year ago

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1. darkfortedx Group Title

well the question is $\sum_{1}^{?}$(−1)n+1/2n+1 and it says that B of n is ∑ 1/N diverges . Im not sure why B of n is turned to 1/n and how it diverges

2. dan815 Group Title

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3. dan815 Group Title

like this?

4. dan815 Group Title

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5. dan815 Group Title

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