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  1. Is Dividing an Irrational Number by a Rational Number Always …

    Nov 10, 2025 · Dividing an irrational number by a nonzero rational number results in an irrational number. The proof by contradiction assumes that the result is rational, leading to the …

  2. Is the square root of a prime number always going to be irrational?

    Sep 2, 2006 · In general, I think that the nth root of any natural number that is not itself a perfect nth power is an irrational number. This is true, and in fact the nth root of any rational number …

  3. Proving Irrationals Are Dense in the Reals • Physics Forums

    Jul 29, 2010 · The discussion focuses on proving that irrational numbers are dense in the real numbers (R). The proof utilizes the property that the sum of a rational number and an irrational …

  4. irrational = rational - Physics Forums

    Mar 13, 2005 · Explore examples of irrational numbers that can be expressed as non-repeating decimals Investigate the implications of probability in selecting random real numbers …

  5. Irrational Numbers: Expressible as Infinite Summations?

    Nov 18, 2003 · All irrational numbers can be expressed as infinite summations, but not all can be uniquely represented by mathematical expressions. For example, while Pi (π) and the natural …

  6. How Can Rational and Irrational Numbers Combine in Arithmetic ...

    May 14, 2017 · This discussion focuses on the arithmetic operations involving irrational numbers, specifically how certain combinations can yield rational or irrational results. Examples provided …

  7. Constructing Lengths with Irrational Numbers - Physics Forums

    Dec 6, 2004 · Irrational numbers are just an inconsistent fabrication of abstract mathematics. Irrational lengths can't exist in the real world. And rational lengths can ? There is no way that …

  8. Proving the area formula for a rectangle for all positive real …

    Aug 3, 2024 · The area formula for a rectangle, defined as length times width, holds true for all positive real numbers, including rational and irrational values. The discussion emphasizes the …

  9. Is the Square Root of Pi Irrational? • Physics Forums

    Dec 14, 2012 · The discussion centers on the proof of the irrationality of the square root of pi (√π). The proof begins by assuming that √π is rational, expressed as √π = p/q, where p and q are …

  10. Is sqrt(5) Rational? Understanding the Proof by Contradiction

    Nov 23, 2003 · Alright, heading says it all. This is a nice problem heh.. I can see how to prove sqrt(5) is irrational. I think this method works up to the points where the fact 5 is a prime is …