Why is the correction important?

In summary, the Taylor series for f(x) = x2ln(1+2x2) centered at c = 0 is Ʃ from n=1 to ∞ of (-1)n2^nx2n+2/n.
  • #1
Soccerdude
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Homework Statement



Find the Taylor series of f(x) = x2ln(1+2x2) centered at c = 0.


Homework Equations



Taylor Series of f(x) = ln(1+x) is Ʃ from n=1 to ∞ of (-1)n-1xn/n

The Attempt at a Solution



I have worked the problem to

(-1)n4nx2n/n

I am not sure where to go from here

Thank You!
 
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  • #2
Soccerdude said:

Homework Statement



Find the Taylor series of f(x) = x2ln(1+2x2) centered at c = 0.


Homework Equations



Taylor Series of f(x) = ln(1+x) is Ʃ from n=1 to ∞ of (-1)n-1xn/n

The Attempt at a Solution



I have worked the problem to

(-1)n4nx2n/n

I am not sure where to go from here

Thank You!
Well, you seem to have the right idea for the Taylor series of ln(1+2x2). It's not quite right.

[itex]\displaystyle \left(2x^2\right)^n=2^nx^{2n}\ .[/itex]

When you make the correction for that, then just multiply by x2 , to get the Taylor series for x2ln(1+2x2).
 

FAQ: Why is the correction important?

What is a Taylor Series Representation?

A Taylor Series Representation is a mathematical expression that represents a function as an infinite sum of terms. It is used to approximate a function by using a series of polynomials.

What is the purpose of using a Taylor Series Representation?

The purpose of using a Taylor Series Representation is to approximate a function that is difficult to calculate directly. By using a series of polynomials, the function can be approximated to any desired level of accuracy.

How is a Taylor Series Representation calculated?

A Taylor Series Representation is calculated by finding the derivatives of a function at a specific point and using those derivatives to create a series of polynomials. The coefficients of the polynomials are determined by plugging in the derivatives into a specific formula.

What is the difference between a Taylor Series and a Maclaurin Series?

A Taylor Series is a representation of a function around a specific point, while a Maclaurin Series is a special case of a Taylor Series where the point is 0. In other words, a Maclaurin Series is a Taylor Series centered at 0.

What are some applications of Taylor Series Representations?

Taylor Series Representations are commonly used in physics, engineering, and other areas of science to approximate functions and make complex calculations easier. They are also used in computer graphics to create smooth curves and surfaces.

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