## darkfortedx 2 years ago How do i know if its abs convergence or not?

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1. darkfortedx

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

|dw:1372173623619:dw|

3. dan815

like this?

4. dan815

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5. dan815

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