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Hippasus, a Pythagorean philosopher is believed to have proven the existence of numbers that are not rational. However, this is not quite the same as "known for". Many (most?) mathematicians would not know who Hippasus was or what he did.

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โˆ™ 2013-02-21 17:38:58
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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: Who is known for his definition of irrational numbers?
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Are some irrational numbers not real?

No. Irrational numbers by definition fall into the category of Real Numbers.

What is the definition for rational and irrational?

Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.

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The set of real numbers is defined as the union of all rational and irrational numbers. Thus, the irrational numbers are a subset of the real numbers. Therefore, BY DEFINITION, every irrational number is a real number.

Real number real number definition in math in 9th class?

the collection of rational and irrational numbeers is known as real numbers

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Because that is the definition of irrational numbers: They are the numbers that cannot be written as a ratio of two integers! A fraction is a ratio of two integers.

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Pi and the square root of two are irrational numbers.

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