Partial fractions for integral

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SUMMARY

The integral \(\int \frac{x^3}{x-1} dx\) can be solved using polynomial long division. Since the degree of the numerator is greater than the degree of the denominator, performing polynomial long division simplifies the expression. After dividing \(x^3\) by \(x-1\), the result can be integrated more easily. This method is essential for tackling integrals where the numerator's degree exceeds that of the denominator.

PREREQUISITES
  • Understanding of polynomial long division
  • Familiarity with integral calculus
  • Knowledge of rational functions
  • Basic algebraic manipulation skills
NEXT STEPS
  • Study polynomial long division techniques in detail
  • Learn how to integrate rational functions using partial fractions
  • Explore advanced integration techniques, including substitution methods
  • Practice solving integrals involving higher-degree polynomials
USEFUL FOR

Students studying calculus, particularly those focusing on integration techniques, as well as educators looking for effective methods to teach polynomial long division and integration of rational functions.

lavster
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Homework Statement



evaluate:

[tex]\int \frac{x^3}{x-1} dx[/tex]

this is part of a bigger question... i get down to this far but i have no idea how to tackle this integral...

Homework Equations


The Attempt at a Solution



my thoughts are - partial fractions... but its only got one thing on the denominator...

then i thought do the division but i don't know how to do that

then i thought that it could be substitution of variables but i can't find any that works...

please point me in the right direction!

thanks in advance
 
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lavster said:

Homework Statement



evaluate:

[tex]\int \frac{x^3}{x-1} dx[/tex]

this is part of a bigger question... i get down to this far but i have no idea how to tackle this integral...


Homework Equations





The Attempt at a Solution



my thoughts are - partial fractions... but its only got one thing on the denominator...

then i thought do the division but i don't know how to do that

then i thought that it could be substitution of variables but i can't find any that works...

please point me in the right direction!

thanks in advance

Polynomial long division is the way to go: http://en.wikipedia.org/wiki/Polynomial_long_division
 

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