Determine whether the given expressions are proper or improper. If improper, rewrite it as the sum of a polynomial and a proper rational expression.

(1) (5x + 2)/(x^3 - 1)

(2) 2x(x^2 + 4)/(x^2 + 1)

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- October 22nd 2008, 05:41 AMmagentaritaRational Expression
Determine whether the given expressions are proper or improper. If improper, rewrite it as the sum of a polynomial and a proper rational expression.

(1) (5x + 2)/(x^3 - 1)

(2) 2x(x^2 + 4)/(x^2 + 1) - October 23rd 2008, 08:50 AMmastersA rational expression in which the degree of the numerator polynomial is greater than or equal to the degree of the denominator polynomial.
**Improper Rational Expression**

Note: Polynomial long division can be used to write an improper rational expression as the sum of a polynomial and a proper rational expression. Synthetic division may also be used for some fractions.

A rational expression in which the degree of the numerator polynomial is less than the degree of the denominator polynomial.**Proper Rational Expression**

(1) Proper Rational Expression

(2) Improper Rational Expression

Now, perform long division to arrive at:

- October 23rd 2008, 01:12 PMmagentaritaok now....
- October 23rd 2008, 01:15 PMmasters