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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. 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 …

  3. Showing that tan(1) is irrational - Physics Forums

    Feb 11, 2019 · The discussion centers on proving that is irrational through a proof by contradiction and mathematical induction. It establishes that if is rational, then must also be rational for all …

  4. 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 …

  5. 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 …

  6. Is Pi a rational number in any other base besides base Pi?

    Jul 24, 2013 · So is an irrational number always irrational no matter what the base or is Pi just a special case? The term "irrational" is independent of what base we use. So yes, an irrational …

  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. 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 …

  9. Prove or disprove that there is a rational number x and an i

    Jan 25, 2019 · The discussion centers on proving or disproving the existence of a rational number x and an irrational number y such that x^y is irrational. Participants suggest that proof by …

  10. Calculus of Measures: Mapping Natural Numbers to Rationals

    Jun 2, 2018 · The discussion centers on the mapping of natural numbers to positive rationals and the implications of measure theory on their densities. It is established that both the set of …