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Rational-numbers
New post in Rational-numbers
simplify this expression 2-√(2+√3)/√(2+√3)
August 10th, 2022
rational-numbers
How to proof that a field is complete order field?
August 1st, 2022
field-theory
ordered-fields
rational-numbers
$0.333333$ - a recurring or non-terminating decimal?
August 1st, 2022
rational-numbers
irrational-numbers
Why do we switch the denominator and numerator when we divide fractions?
June 27th, 2020
rational-numbers
If $x$ is rational and $xy$ is irrational, then $y$ is irrational.
August 1st, 2022
irrational-numbers
rational-numbers
Are all numbers rational?
August 1st, 2022
definition
rational-numbers
irrational-numbers
elementary-number-theory
Is this a valid proof? If $a$ and $b$ are rational, $a^b$ is rational.
January 28th, 2020
discrete-mathematics
proof-verification
rational-numbers
irrational-numbers
Given a rational number and an irrational number, both greater than 0, prove that the product between them is irrational.
August 1st, 2022
rational-numbers
discrete-mathematics
proof-verification
irrational-numbers
Properties of Irrational and Rational Numbers
February 13th, 2020
rationality-testing
irrational-numbers
rational-numbers
Need help with proving that group is not finitely-generated
December 19th, 2020
group-theory
rational-numbers
subring of rational numbers and its ideal
August 1st, 2022
field-theory
ideals
ring-theory
vector-space-isomorphism
rational-numbers
All sets of rational numbers are bigger than the set containing infinite integers - or are they?
April 15th, 2020
rational-numbers
integers
infinity
Linear independence over Q of logarithmic powers of prime numbers
February 13th, 2020
elementary-number-theory
logarithms
rational-numbers
prime-numbers
Are Irrational Numbers also Rational Numbers?
March 7th, 2020
infinity
irrational-numbers
rational-numbers
Dimension of the rationals over the integers
August 1st, 2022
free-modules
rational-numbers
modules
Prove rational sum and product of two irrational numbers
October 6th, 2020
real-analysis
irrational-numbers
rational-numbers
Proof that a rational is a repeating decimal.
August 1st, 2022
rational-numbers
real-analysis
number-systems
real-numbers
decimal-expansion
Deduce that $\mathbb Q^n$ is countable for any integer $n \in \mathbb N$
August 1st, 2022
rational-numbers
integers
Path connectedness of the set of points $(x,y)$ where $x$ is rational or $y$ is rational
August 1st, 2022
connectedness
general-topology
rational-numbers
How to prove that rational functions form a field
January 15th, 2020
rational-numbers
rational-functions
binary-operations
field-theory
Exercise 46, Chapter 1 from Real Analysis, Carothers
August 1st, 2022
calculus
continuity
real-numbers
rational-numbers
real-analysis
Can dividing two rational numbers yield an integer?
August 1st, 2022
arithmetic
rational-numbers
There is no smallest rational number greater than 2
April 25th, 2020
rational-numbers
order-theory
What is a rational number? What is the quotient of two integers?
July 15th, 2020
rational-numbers
Explain why the sum of a rational number and an irrational number is an irrational number.
August 1st, 2022
irrational-numbers
algebra-precalculus
rational-numbers
What decimal is between 0.5 and 0.625
September 30th, 2020
rational-numbers
Find the square root of $14+6\sqrt5 $
September 2nd, 2020
rational-numbers
nested-radicals
How to find a rational number between two irrational numbers?
August 1st, 2022
rational-numbers
algebra-precalculus
real-analysis
How do I write the opposite of a rational number?
August 1st, 2022
rational-numbers
Hausdorff dimension of the set of rational numbers within a certain interval?
August 1st, 2022
number-theory
elementary-number-theory
metric-spaces
rational-numbers
fractals
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