List questions from rational-numbers

Published on 29 Mar 2026 - 12:40

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Rational approximations for $\pi$ using Fibonacci numbers?

Published on 27 Mar 2026 - 13:20

188

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Is $\tan^{-1}\tan^{-1}1$ irrational?

Published on 26 Mar 2026 - 8:04

333

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Inclusion of $Z$ in $\mathbb{Q}$

Published on 24 Jan 2020 - 21:23

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Does set of rational numbers with odd denominators form a group with binary operation of $+$?

Published on 25 Jan 2020 - 22:41

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Representation of a rational number

Published on 28 Jan 2020 - 11:46

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Proving if $x$ is rational then $\sqrt x$ is irrational

Published on 29 Jan 2020 - 0:32

59

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Rational numbers and coordinates

Published on 30 Jan 2020 - 20:12

94

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The following relation $\frac{a}{b} =\frac{b}{a+b}$ is satisfied for $a = 1.6b$ approximately. How to reach this result?

Published on 25 Mar 2026 - 17:21

202

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If ${\sqrt 3} - {\sqrt 2}, 4- {\sqrt 6}, p {\sqrt 3} - q {\sqrt 2}$ form a geometric progression, find the values of p and q.

Published on 25 Mar 2026 - 23:42

457

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Show that an explicit formula for $u_r$ is given by $u_r = 1+ \frac {10}{3} [4^{r-1} -1]$

Published on 06 Feb 2020 - 7:43

255

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What periodic functions have to do with rational numbers?

Published on 30 Mar 2026 - 8:13

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What periodic functions have to do with rational numbers (2)?

Published on 30 Mar 2026 - 8:13

115

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What is the standard notation for the set of rationals with finite fractional part?

Published on 25 Mar 2026 - 13:56

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Determine the value of $\frac{\sqrt[3]{4\sqrt[3]{4\sqrt[3]{4...}}}}{\sqrt{2\sqrt {2\sqrt{2...}}}}$

Published on 08 Feb 2020 - 14:08

List Question

Find the values of a, b, c

Rational approximations for $\pi$ using Fibonacci numbers?

Is $\tan^{-1}\tan^{-1}1$ irrational?

Inclusion of $Z$ in $\mathbb{Q}$

Does set of rational numbers with odd denominators form a group with binary operation of $+$?

Representation of a rational number

Proving if $x$ is rational then $\sqrt x$ is irrational

Rational numbers and coordinates

The following relation $\frac{a}{b} =\frac{b}{a+b}$ is satisfied for $a = 1.6b$ approximately. How to reach this result?

If ${\sqrt 3} - {\sqrt 2}, 4- {\sqrt 6}, p {\sqrt 3} - q {\sqrt 2}$ form a geometric progression, find the values of p and q.

Show that an explicit formula for $u_r$ is given by $u_r = 1+ \frac {10}{3} [4^{r-1} -1]$

What periodic functions have to do with rational numbers?

What periodic functions have to do with rational numbers (2)?

What is the standard notation for the set of rationals with finite fractional part?

Determine the value of $\frac{\sqrt[3]{4\sqrt[3]{4\sqrt[3]{4...}}}}{\sqrt{2\sqrt {2\sqrt{2...}}}}$

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