1 Answered Questions for the topic Sum Of The Infinite Series

Sum Of The Infinite Series

04/13/15

Find the sum of the series when it converges
1+2r+r^2+2r^3+r^4+2r^5+r^6...   We we only know how to work with basic geometric series at this point. We are told it converges for |r|<1 so I thought a/(1-r) applies and a is 1.  I don't see... more
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