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Ok, so I just need to clarify... a limiting sum is just the sum of all terms in a geometric sequence, and to infinity. For example, if I have a sequence in which a=2 and r=0.5, then the limiting sum would be S = 2 / 1-0.5 S approaches 4 ...? And if someone asks if a limiting sum exits for a...

Aha! Thank you! This guide is most helpful for those of us not fortunate to have yet attended any first year Logic and Reasoning classes. ; ) Xayma: I do that too. I find it incredibly difficult to take seriously any posts with multiple spelling or grammatical errors. Of course, their...