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  1. irrational = rational - Physics Forums

    Mar 13, 2005 · Assume that the difference between a rational number and an irrational number is an irrational number. The sum of any such two irrational numbers would be a rational number.

  2. Square Root of an Irrational Number is Irrational - Physics Forums

    Feb 23, 2012 · The discussion revolves around proving that the square root of an irrational number is also irrational. Participants suggest using proof by contradiction, where assuming …

  3. Can a polynomial have an irrational coefficient? - Physics Forums

    Jan 12, 2022 · A polynomial can indeed have irrational coefficients, as demonstrated by the example y = x^2 + sqrt (5)x + 1. The confusion arises from historical conventions where …

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

    Jul 24, 2013 · Pi is irrational in any base, as its property of being rational is independent of the base used for representation. While it can be expressed differently in various bases, such as …

  5. How Do We Know If Irrational or Transcendental Numbers Repeat?

    Mar 25, 2014 · The discussion centers on the nature of irrational and transcendental numbers, specifically whether they can have repeating decimal expansions. It is established that …

  6. Is there always at least one irrational number between any two …

    Jun 26, 2008 · But again, an irrational number plus a rational number is also irrational. Therefore, there is always at least one rational number between any two rational numbers. However, the …

  7. 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, starting from the established fact that rational numbers are dense in R. The initial …

  8. Prove If x^2 is irrational then x is irrational - Physics Forums

    Jan 6, 2012 · Homework Statement Prove If x^2 is irrational then x is irrational. I can find for example π^2 which is irrational and then π is irrational but I don't know how to approach the …

  9. Constructing Lengths with Irrational Numbers - Physics Forums

    Dec 6, 2004 · The discussion centers on the nature of irrational numbers and their existence in the physical world, questioning how lengths like the hypotenuse of a right triangle can be …

  10. 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 …