List questions from irrational-numbers

Published on 19 Nov 2015 - 10:18

8.4k

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$\sqrt[3]{5}$ is irrational

Published on 19 Nov 2015 - 21:07

77

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Can we construct three irrational numbers $a,b,c$ such that $a+b+c \in \mathbb Q$?

Published on 20 Nov 2015 - 16:17

55

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Tricky proof involving limit points

Published on 22 Nov 2015 - 21:50

365

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Is $a\sqrt[3]{2} + b\sqrt[3]{4}$ irrational?

Published on 26 Mar 2026 - 20:43

400

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Prove that $\sqrt{10} - \sqrt6 - \sqrt5 + \sqrt3$ is irrational

Published on 23 Nov 2015 - 18:51

50k

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(22/7) is a rational number and (π) is irrational number

Published on 26 Nov 2015 - 11:46

628

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How are irrational numbers, fixed points on the number line?

Published on 30 Mar 2026 - 5:28

1.8k

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Can I guess an irrational number formula from its digits?

Published on 31 Mar 2026 - 11:59

12k

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Irrational numbers are non-terminating/non-repeating decimals

Published on 31 Mar 2026 - 11:52

237

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Is there a pattern to the golden ratio number figures?

Published on 27 Mar 2026 - 12:08

659

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Why is $e$ the number that it is?

Published on 28 Mar 2026 - 0:38

184

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Decimal digits in $\pi$

Published on 31 Mar 2026 - 3:33

924

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Prove that $\sum \frac{1}{n^2} = \frac{\pi^2}{6}$

Published on 09 Dec 2015 - 17:09

5.9k

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Dense set in the unit circle- reference needed

Published on 10 Dec 2015 - 12:10

List Question

Can all irrational numbers be written in the form $u + v\sqrt{2}$, with $u$ and $v$ rational?

$\sqrt[3]{5}$ is irrational

Can we construct three irrational numbers $a,b,c$ such that $a+b+c \in \mathbb Q$?

Tricky proof involving limit points

Is $a\sqrt[3]{2} + b\sqrt[3]{4}$ irrational?

Prove that $\sqrt{10} - \sqrt6 - \sqrt5 + \sqrt3$ is irrational

(22/7) is a rational number and (π) is irrational number

How are irrational numbers, fixed points on the number line?

Can I guess an irrational number formula from its digits?

Irrational numbers are non-terminating/non-repeating decimals

Is there a pattern to the golden ratio number figures?

Why is $e$ the number that it is?

Decimal digits in $\pi$

Prove that $\sum \frac{1}{n^2} = \frac{\pi^2}{6}$

Dense set in the unit circle- reference needed

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