
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.
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 …
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 …
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 …
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 …
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 …
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 …
Is a+b necessarily irrational? - Physics Forums
Jan 10, 2019 · Homework Statement If a is rational and b is irrational, is a+b necessarily irrational? What if a and b are both irrational? Homework EquationsThe Attempt at a Solution …
If a, b are irrational, then is ##a^b## irrational? - Physics Forums
Jan 13, 2017 · Homework Statement True or false and why: If a and b are irrational, then a b is irrational. Homework Equations None, but the relevant example provided in the text is the …
Irrational Numbers and Real Life I need 6 answers - Physics Forums
Feb 17, 2010 · Irrational numbers have practical applications in real life, such as calculating dimensions for circular objects, like the border of a circular card, which involves pi. The …