6). State whether the series converges absolutely, conditionally, or not at all. ∞     n = 1 (−1)n + 1 1 n + 7 The series converges absolutely. The series converges conditionally.     The series diverges. please show step by step clearly .

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Question

6). State whether the series converges absolutely, conditionally, or not at all.

 
 
n = 1
(−1)n + 1
1
  n + 7
The series converges absolutely.
The series converges conditionally.    
The series diverges.

please show step by step clearly . 

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