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Thread: For what values of x will the fol owing infinite geometric sequence series...

  1. July 18th 2010, 06:36 PM #1
    qkqh
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    For what values of x will the fol owing infinite geometric sequence series...

    have a finite sum
    (x+1) + (x+1)^2 + (x+1)^3 +....
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  2. July 18th 2010, 06:59 PM #2
    eumyang
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    Geometric series converges if |r| < 1 (where r is the common ratio). Plug in x + 1 for r...
    |x + 1| < 1
    ...and solve for x.
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