Summation of n^2k. k = 1 to infinity

In summary, the formula for the summation of n^2k, where k = 1 to infinity, is n^2/(1-n^2), and it is known as the geometric series formula. This formula is used to find the sum of an infinite series of terms that follow a geometric pattern. The value of k = 1 to infinity indicates that the summation is being performed over an infinite number of terms. The formula can be solved for any value of n, as long as it is between -1 and 1 for the series to converge. Real-world applications of this formula include its use in mathematics and physics, such as in the calculation of infinite series, the study of electromagnetic fields, and the analysis of chaotic
  • #1
KataKoniK
1,347
0
Is the summation of k = 1 to infinity for n2k equal to
n2 / (1 - n2)?
 
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  • #2
KataKoniK said:
Is the summation of k = 1 to infinity for n2k equal to
n2 / (1 - n2)?
Yes it is (for 0<=n<1).

Alex
 
  • #3
Thanks for the confirmation.
 
  • #4
Indeed, that is just a geometric sequence with common ratio n2.

(I will confess that my first thought was that n must mean a positive integer, for which, of course, this does not converge!)
 

1. What is the formula for the summation of n^2k?

The formula for the summation of n^2k, where k = 1 to infinity, is n^2/(1-n^2). This is known as the geometric series formula.

2. How is the summation of n^2k related to geometric series?

The summation of n^2k is a special case of the geometric series formula, where the common ratio is n^2. This means that the formula can be used to find the sum of an infinite series of terms that follow a geometric pattern.

3. What is the significance of k = 1 to infinity in the summation of n^2k?

The value of k = 1 to infinity indicates that the summation is being performed over an infinite number of terms. This means that the formula is finding the sum of an infinite series, rather than a finite one.

4. Can the summation of n^2k be solved for any value of n?

Yes, the formula for the summation of n^2k can be solved for any value of n. However, the value of n must be between -1 and 1, in order for the series to converge (have a finite sum).

5. What are some real-world applications of the summation of n^2k?

The summation of n^2k has various applications in mathematics and physics. It is used in the calculation of infinite series, such as the Riemann zeta function. It also has applications in the study of electromagnetic fields and in the analysis of chaotic systems.

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