camballard8081 camballard8081

23-05-2018
Mathematics

contestada

What is the sum of the infinite geometric series with a1=42 and r=6/5?

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altavistard altavistard

24-05-2018

This infinite sum is given by

a
S = ------ but ONLY if r<1. Here, r>1, so the infinite sum does not exist.
1-r

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