Algebra
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Determine the convergence of the following series using the nthpartial sum or geometric series formula. The sum of n=1 to inifitiy 1/(9n^2+3n2) How do I start? I'm guessing I should factor out the denominator but whats after
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Does the following infinite geometric series diverge or converge? Explain. 1/5 + 1/25 + 1/125 + 1/625 A) It diverges; it has a sum. B) It converges; it has a sum. C) It diverges; it does not have a sum. D) It converges; it does
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asked by Gina on October 29, 2006 
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Consider the infinite geometric series below. a. Write the first 4 terms of the series b. Does the series diverge or converge? c. If the series has a sum, find the sum. infinity sigma n=2 (2)^n1
asked by lexxy on April 24, 2020

algebra
Consider the infinite geometric series below. a. Write the first 4 terms of the series b. Does the series diverge or converge? c. If the series has a sum, find the sum. ∞ ∑ (2)^n1 n=2
asked by lexxy on April 24, 2020 
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Consider the infinite geometric series below. a. Write the first 4 terms of the series b. Does the series diverge or converge? c. If the series has a sum, find the sum. ∞ ∑ (2)^n1 n=2 not sure how to do this at all
asked by jade on April 26, 2020 
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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 sequence? a{1} = first term of series ∞ Infinite Sum = ∑ a{1} • r^(n – 1) = a{1} ⁄ (1 – r)
asked by Ke$ha on March 31, 2016 
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1)Find a1 in a geometric series for which Sn=300,r=3,and n=4 A)15 B)15/2 C)15 D)1/15 I chose A 2)Find the sum of the infinite geometric series. Sigma sign with infinity symbol above and n=1 below. To the right 20(1/4)n1 A)25
asked by Jon on December 12, 2007 
math(need 2nd opinion)
1)Find a1 in a geometric series for which Sn=300,r=3,and n=4 A)15 B)15/2 C)15 D)1/15 I chose A 2)Find the sum of the infinite geometric series. Sigma sign with infinity symbol above and n=1 below. To the right 20(1/4)n1 A)25
asked by Jon on December 12, 2007 
algebra
Can someone please help me with this problem? Thanks! Evaluate the infinite geometric series: 8+4+2+1+... I thought you needed to know the number of terms to evaluate, but how do you know them if it is infinite? The limit of Sn =
asked by Mercy on May 30, 2007