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Top heavy fractions with same degree watch

1. Quick question, all fractions where the degree of the numerator and denominator are the same are considered top-heavy. However, take into account x2 as the numerator and x2 - 1 as the denominator for example. They both have the same degree, but if you substitute any positive integer for x, you'll get a proper fraction, i.e., one that isn't top-heavy, therefore why is it still considered so?
2. (Original post by Rexx18)
Quick question, all fractions where the degree of the numerator and denominator are the same are considered top-heavy. However, take into account x2 as the numerator and x2 - 1 as the denominator for example. They both have the same degree, but if you substitute any positive integer for x, you'll get a proper fraction, i.e., one that isn't top-heavy, therefore why is it still considered so?
It's different when you're talking about polynomials and just fractions that are numbers.

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Updated: June 28, 2016
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