116 Answered Questions for the topic Series

Series

07/08/15

Use the properties of geometric series to find the sum of the series. For what values of the variable does the series converge to this sum?

Use the properties of geometric series to find the sum of the series. For what values of the variable does the series converge to this sum?5−10z+20z^(2)−40z^(3)+?sum = domain = (Give your domain as... more

05/22/15

physics question hard??

Two light circuits with identical lightbulbs. One has two lightbulbs in parallel. Other has them in series.Student 1 says series will glow brighter cuz the same current goes to both... more

Find the Fourier series of the function f(x), with a period of 2l,Defined by: f(x)= 3x : 0=x=L f(x)= -3x : -L=x<0

Defined by: f(x)=   3x    : 0≤x≤L f(x)=  -3x    : -L≤x<0   Are the following the correct ways to work out the coefficients for the Fourier Series?   a0 =(1/2L)∫-LL fe(x) dx = (1/L)∫0Lf(x)... more
Series

03/25/15

Hello, i need help with finding the sum of a geometric series i would appreciate it very much if you help,

since i am not able to find the ratio i cant find the sum. (5/2^n - 1/3^n) with Sigma that has an index of n=0 and tends to infinity

03/19/15

Find the value of x so that the series below converges

Find the value of x so that the series below converges  infinity Σ n=1 (xn/10n)    What is the answer in interval notation?

10/30/14

Math Pre Calc 11 Series and Sequences

nico receives a spruce tree from the school at the end of Grade 1. It grows at a rate of 25% per year. If the tree is 1 foot tall when Nico plants it, how tall will the tree be in 12 years when he... more

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

10/13/14

Find the energy stored in this capacitance

Two capacitors, c1= 18.0 uF and c2=36.0 uF are connected in series and a 12.0-V battery is connected across the two capacitors.    a) find the equivalent capacitance  b) find the energy stored... more
Series

07/20/14

What is the next number in series?

1, 1, 8, 256, ?  
Series

07/10/14

Which is the first number in this series which is less than 0.01?

Consider the series 16, 8, 4, 2, ... - that is each new number is formed by halving the one before it. Which is the first number in this series which is less than 0.01?   a. 1/16             b.... more

07/04/14

100 96 104 88 120 56

next number in the following number series 
Series

07/01/14

The missing number in the series 9, ____, 6561, 43046721 is:

Please help me quickly figure this out. I'm taking a test and I'm really stumped. 
Series

04/25/14

help finding infinite series

    how do I find the sum of the follwoing infinite series.  Please show work/steps:     1.  1/2 + 1 + 2 + 4 ........     2.  9-3 + 1 - 1/3 + 1/9 ......     3. How do I write the first... more
Series

04/25/14

help with expanded form

how do I write this series in explanded form?     5  ∑ 1/2k  k=11

11/11/13

Find the MacLaurin Series

Find the MacLaurin Series of f(x) = x3sin(x)
Series Algebra

11/17/12

Evaluate the following series

  4∑k=0  -6k

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