Power series and the interval of convergence

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SUMMARY

The discussion focuses on determining the interval of convergence for the function f(x) = 3/(1-x^4). The series representation is identified as Σ 3(x^4n) from n=0 to infinity. To find the interval of convergence, the Ratio Test is recommended, which will establish the conditions under which |x| must remain for the series to converge. The key conclusion is that the series converges for |x| < 1.

PREREQUISITES
  • Understanding of power series and their representations
  • Familiarity with the Ratio Test for convergence
  • Basic knowledge of functions and limits
  • Ability to manipulate and interpret summation notation
NEXT STEPS
  • Study the application of the Ratio Test in detail
  • Learn about the convergence of geometric series
  • Explore the concept of radius and interval of convergence
  • Investigate other convergence tests such as the Root Test
USEFUL FOR

Students studying calculus, particularly those focusing on series and convergence, as well as educators seeking to reinforce concepts related to power series and convergence tests.

GeekyGirl
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Homework Statement


I need help finding the interval of convergence for f(x) = 3/(1-x^4).
I think that the summation would be [tex]\Sigma[/tex] 3 (x^4n) from n=0 to infinity, but I'm not sure how to get the interval of convergence.


Homework Equations


f(x) = 3/(1-x^4)


The Attempt at a Solution


see above
 
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GeekyGirl said:

Homework Statement


I need help finding the interval of convergence for f(x) = 3/(1-x^4).
I think that the summation would be [tex]\Sigma[/tex] 3 (x^4n) from n=0 to infinity, but I'm not sure how to get the interval of convergence.
Here's your summation in LaTeX. Click it to see how I formatted it.
[tex]\sum_{n = 0}^{\infty} 3x^{4n}[/tex]
GeekyGirl said:

Homework Equations


f(x) = 3/(1-x^4)


The Attempt at a Solution


see above

Use the Ratio Test and see what restrictions there are on |x| for the series to converge.
 

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