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  1. 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 …

  2. 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 …

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

    Feb 11, 2019 · Homework Statement Prove that tan (1 ∘) is irrational. Homework Equations The Attempt at a Solution Suppose for contradiction that is rational. We claim that this implies that …

  4. Can Pi minus e ever equal a rational number? • Physics Forums

    Mar 7, 2009 · The discussion centers on the mathematical inquiry regarding whether the expression π - e can yield a rational number. Participants highlight that while it is not known if …

  5. 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 …

  6. 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 …

  7. 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 …

  8. 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 …

  9. 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 …

  10. 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 …