Help Determining which Maclaurin Series to use for this Problem

In summary, a Maclaurin series is an infinite series that represents a function as a sum of polynomial terms. The specific series used for a problem depends on the function and desired accuracy, and cannot be used for all functions. The purpose of using Maclaurin series is to approximate functions and simplify calculations, but there are limitations such as slow or non-converging results and limited validity outside of a certain range of values.
  • #1
student93
85
0

Homework Statement



Problem is attached in this post.

Homework Equations



Problem is attached in this post.

The Attempt at a Solution



I came up with the function (1+x)^1/n and tried to derive a maclaurin series out o fit but to no avail, I can't determine what maclaurin series to use.
 

Attachments

  • Screen shot 2014-05-04 at 9.12.47 PM.png
    Screen shot 2014-05-04 at 9.12.47 PM.png
    5.7 KB · Views: 484
Physics news on Phys.org
  • #2
Use the binomial series
 
  • #3
If you haven't already realized it, binomial coefficients can be generalized to take fractional values. Namely

[tex]\binom{p/q}{m}=\frac{\frac{p}{q}(\frac{p}{q}-1)...(\frac{p}{q}-m+1)}{m!}[/tex].

And furthermore, note that

[tex]\binom{p/q}{1}=\frac{p}{q}[/tex]
 

FAQ: Help Determining which Maclaurin Series to use for this Problem

What is a Maclaurin series?

A Maclaurin series is a type of infinite series that represents a function as a sum of terms, with each term being a polynomial. It is named after Scottish mathematician Colin Maclaurin.

How do I determine which Maclaurin series to use for a specific problem?

The Maclaurin series used for a specific problem depends on the function being approximated and the desired level of accuracy. It is important to identify the general form of the function and compare it to known Maclaurin series. Additionally, using concepts such as derivatives and Taylor's theorem can help determine the appropriate series to use.

Can I use any Maclaurin series for any problem?

No, not all functions can be represented by a Maclaurin series. Some functions, such as trigonometric functions, have specific Maclaurin series that are used to approximate them. It is important to identify the type of function and use the appropriate series for best results.

What is the purpose of using Maclaurin series?

The purpose of using Maclaurin series is to approximate a function with a polynomial. This allows for easier calculations and simplification of complex functions. It also allows for the estimation of values for a function at points that are not explicitly defined.

Are there any limitations to using Maclaurin series?

While Maclaurin series can be a useful tool for approximating functions, there are limitations to their use. They may not always converge or may converge very slowly, leading to inaccurate results. Additionally, they are only valid for a specific range of values and may not accurately represent the function outside of that range.

Similar threads

Replies
47
Views
979
Replies
6
Views
504
Replies
6
Views
2K
Replies
38
Views
3K
Replies
17
Views
1K
Replies
4
Views
2K
Replies
10
Views
1K
Back
Top