20 Answered Questions for the topic Infinite Series

Infinite Series Calculus Calculus 2 Convergence

12/01/21

Why isn't this series convergent?
Hello! I'm trying to solve the following series through the alternating series test:cos(n pi) / n^(1/n), with the series starting at 1 and going to infinity. I started by finding the first... more
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Infinite Series Math

12/13/18

What is the sum of the reciprocals of this infinite series involving powers of 2 and squares?
I can't seem to find this solution online. What is the sum of the reciprocals of the infinite series 2 to the power of squares? If I'm asking that right... I mean 1/(2^(n^2)) + 1/(2^((n+1)^2)) +... more
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08/02/18

!!!!!algebra 2 question! need help ASAP!!!!!!
Explain why we can have a converging infinite series when 0 < r < 1. Hint: Use "sum of a finite geometric series" as a basis for your explanation.                                           ... more
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Infinite Series

05/18/18

What is the sum of the following infinite series? 2 + 1 + 1/2 + 1/4 + 1/8...
a 3 b 6 c 5 d 4
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Infinite Series Telescoping Series

04/06/18

Does this telescoping series converge or diverge? if it converges, what is the sum?
  ∑ ((n/n+1) - (n+2/n+3)) = ?   converges to -5/6   how do you cancel out the terms to find the sum?
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Infinite Series

02/13/17

Discuss the convergence of the following series whose nth term is given below:2^n-1/3^n+1
This is in the comparison test  
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Infinite Series Algebra

12/29/16

Write 0.38 as a fraction
There's an overline on number 8 which makes it infinite.
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Infinite Series

04/04/16

How to format a worded problem into an infinite series
You have two 1 liter containers, the first contains oil while the second contains vinegar. You also have 2 spoons, each can scoop out k liters of liquid between each vessel. That is you take a... more
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Infinite Series Math Calculus Math Question

02/16/16

If ''a'' is a convergent serie and limSn=s (x approaches infinite). Is limS(n-1)=s and why?
Does the sum changes in this case and does the limit change too?
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Infinite Series Geometric Series

07/31/15

Does the following infinite geometric series diverge or converge? Explain. (MULTIPLE CHOICE CHOOSE ONE)
7 + 21 + 63 + 189 + . . .   a. It converges; it does not have a sum.b. It diverges; it does not have a sum.c. It diverges; it has a sum.d. It converges; it has a sum.
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07/19/15

sequence/series question. PLEASE HELP!!!!
What is 32nd term if given the following      X                 Y   1                  1 2                  3 3                  6 4                  10     Please help!!!!. I can see... more
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Infinite Series Precalculus Sum

06/12/15

Finding sum of infinite series.
finding the sum of the following infinite series   a) 2,-4,8,-16,... b)3,9,27,81,... c)60,30,15,...   Final exam coming up and I'm stressing thanks so much
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Infinite Series

03/11/15

infinite sum of 3/e^n + 2/(n(n+1))
I evaluated the first part as a geometric series and the second part with an integral test. I got r = 1/e for the first part and -2ln(2) for the integral of the second part. I'm not sure how to... more
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Infinite Series

12/09/14

infinity series?? each one is hard for me :(
Find the sums of the following infinite series. Write your answer as a reduced fraction: 0.58 + 0.58^2 + 0.58^3 + ... Find the sums of the following infinite series. Write your answer as a... more
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Infinite Series

12/09/14

infinity series??
Find the sums of the following infinite series. Write your answer as a reduced fraction: 0.16 + 0.16^2 + 0.16^3 + ...       Find the sums of the following infinite series. Write your answer as... more
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Infinite Series Series Calculus 2

10/27/14

Calc 2 Questions
Hi,   We are currently finishing our chapter on Series in class, and I am having a little trouble with the homework, especially these types of problems (error bound problems). I really do not... more
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Infinite Series

08/25/14

I can't understand how the infinity concept plays into this.
The value of the infinite product: 2^1/5 * 4^1/25 * 8^1/125 * 16^1/625 * ... can be expressed in simplest radical form as the nth root of a to the b power. Compute n+a+b.   I got up to the point... more
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Infinite Series

08/05/14

infinite series
sum the infinite series 1^2/0!+2^2/1!+3^2/2!+4^2/3!
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Infinite Series Geometry

05/05/14

Find the sum of the infinate Geometric series
27-9+3-1+.....
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Infinite Series

04/26/14

help finding the sum of infinite series
  how do I find the sum of the following infinite series:     1.  1/2 + 1 + 2 + 4......   2.  9 - 3 + 1 - 1/3 + 1/9 .....     thanks
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