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New posts in irrational-numbers
Using the fact that $\sqrt{n}$ is an irrational number whenever $n$ is not a perfect square, show $\sqrt{3} + \sqrt{7} + \sqrt{21}$ is irrational.
radicals
irrational-numbers
Is there a pythagorean triple such that all angles of the corresponding triangle are simple fractions of $\pi$?
geometry
trigonometry
irrational-numbers
transcendental-numbers
Dimension of R over Q without cardinality argument. [duplicate]
linear-algebra
vector-spaces
irrational-numbers
real-numbers
When is an Integer a Rational Number, and are All Ratios Rational, Even $\frac{\sqrt{7}}{2}$?
irrational-numbers
real-numbers
rational-numbers
Can I guess an irrational number formula from its digits?
irrational-numbers
decimal-expansion
Is the area of a circle ever an integer?
number-theory
irrational-numbers
How to show $\sqrt{4+2\sqrt{3}}-\sqrt{3} = 1$
calculus
real-analysis
irrational-numbers
Is my proof for the sum of two square roots being irrational correct? [duplicate]
number-theory
discrete-mathematics
irrational-numbers
rationality-testing
faq
Irrationality of the values of the prime zeta function
prime-numbers
irrational-numbers
riemann-zeta
Linear independence of the numbers $\{1,\pi,{\pi}^2\}$
number-theory
reference-request
irrational-numbers
transcendental-numbers
Irrationality of $\sum\limits_{n=1}^{\infty} r^{-n^{2}}$ for every integer $r > 1$
irrational-numbers
Irrationality of Two Series
number-theory
sequences-and-series
irrational-numbers
Different proof that $\sqrt{2}$ is irrational
elementary-number-theory
irrational-numbers
formal-proofs
A hole puncher that hates irrational distances [duplicate]
geometry
irrational-numbers
Is $x$ irrational when $2^{x}+3^{x}=6$?
roots
irrational-numbers
Does π start with two identical decimal sequences?
irrational-numbers
pi
decimal-expansion
Is $\sum_{n \ge 1}{\frac{p_n}{n!}}$ irrational?
sequences-and-series
number-theory
prime-numbers
irrational-numbers
rationality-testing
$e^{\pi\sqrt N}$ is very close to an integer for some smallish $N$s. What about $\pi^{e\sqrt N}$?
approximation
irrational-numbers
pi
Prove that 2.101001000100001... is an irrational number.
irrational-numbers
decimal-expansion
rationality-testing
Does $\lfloor(4+\sqrt{11})^{n}\rfloor \pmod {100}$ repeat every $20$ cycles of $n$?
number-theory
irrational-numbers
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