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Evaluate the sum \(1 + \frac{3}{3} + \frac{5}{9} + \frac{7}{27} + \frac{9}{81} + \dotsb\)

 May 2, 2019
 #1
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∑[3^(1 - k) (2 k - 1) , k, 1, 1000] = 3

 May 2, 2019
 #2
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Evaluate the sum

\(\large{s = 1 + \dfrac{3}{3} + \dfrac{5}{9} + \dfrac{7}{27} + \dfrac{9}{81} + \dotsb }\) 

 

see: https://web2.0calc.com/questions/evaluate-the-sum_1#r2

 

laugh

 May 3, 2019

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