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The first term of a geometric series is 3 the

I need some assistance or a formula when trying to find the first term of geometric series please! I don't understand this!!!!Wh
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2. asked by Greg
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find the sum of the series of (-2)^n/3^n+1.This is an alternating series... what if we rewrite it as an= (1/3)* (-2/3)^(n)
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2. asked by kelly
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The sum of the first n terms of a series is 1-(3/4). Obtain an expression for the nth term of the series. Prove that the series
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2. asked by youngguru
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An arithmetic series has a first term of -4 and a common difference of 1. A geometric series has a first term of 8 and a common
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2. asked by ll
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Describe an infinite geometric series with a beginning value of 2 that converges to 10. What are the first four terms of the
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2. asked by Ke$ha
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An infinite geometric series has a first term of $12$ and a second term of $4.$ A second infinite geometric series has the same
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2. asked by Chris Phill
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The 65th therm in a geometric sequence is 8000, and the 69th term is 500, find the 64th term using the geometric series sum
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2. asked by Poppy
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Mathematics......Under number patterns-Geometric series If a question goes.determine the expression for the nth term of the
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2. asked by Mahlogonolo
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the last two tems in a geometric series are 1080 and 6480 and the sum ofthe series is 7775 what is the first term in the series
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2. asked by Heather
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The first term of a geometric sequence is 125÷4,the last term is 2, and the sum of the associated series is 203÷4. What is the
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2. asked by nitchelence
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