Question

Is the square root of -1 rational?

score 11.1k · Answer 1 · 2012-09-21 20:26:00

11.1k

Views

Is the square root of -1 rational?

Published on 21 Sep 2012 - 20:26

score 136 · Answer 2 · 2012-09-24 01:24:39

136

Views

How to find out the probability of ordered pairs of rational or irrational number $(a,b)$ such that $1<a<50, 1,<b<50$, and $\log_b a$ is rational.

Published on 24 Sep 2012 - 1:24

score 704 · Answer 3 · 2012-09-25 16:45:55

704

Views

Constructing the reals from the rationals

Published on 25 Sep 2012 - 16:45

score 1.7k · Answer 4 · 2012-09-30 00:20:09

1.7k

Views

Why (directly!) does every number divide 9, 99, 999, ... or 10, 100, 1000, ..., or their product?

Published on 30 Sep 2012 - 0:20

score 318 · Answer 5 · 2012-10-22 13:12:12

318

Views

Chances of avoiding the diagonal

Published on 22 Oct 2012 - 13:12

score 1.9k · Answer 6 · 2012-10-29 17:15:30

Let $r_n$ be an enumeration of the rationals in $[0,1]$, does the sequence $\{B_{\frac{1}{n}}(r_n)\}_{n=k}^m$ cover $[0,1]$ for $m-k$ finite?

score 1.1k · Answer 7 · 2012-10-31 15:55:15

1.1k

Views

For what algebraic curves do rational points form a group?

Published on 31 Oct 2012 - 15:55

score 316 · Answer 8 · 2012-11-01 06:07:54

316

Views

Half the rationals?

Published on 01 Nov 2012 - 6:07

score 2.6k · Answer 9 · 2026-03-30 12:36:59

2.6k

Views

Faster arithmetic with finite continued fractions

Published on 30 Mar 2026 - 12:36

score 117 · Answer 10 · 2026-04-07 22:59:44

How to represent fraction $\frac{1}{a+b\cdot \sqrt[3]{2} + c\cdot (\sqrt[3]{2})^2}$ as $a_1 + b_1 \cdot \sqrt[3]{2} + c_1 \cdot (\sqrt[3]{2})^2$?

score 158 · Answer 11 · 2012-11-14 06:00:52

158

Views

How to prove the existence of $b$ in $Q$ such that $a<b^2<c$ in $Q$?

Published on 14 Nov 2012 - 6:00

score 844 · Answer 12 · 2012-11-14 06:03:52

844

Views

cross multiplication property

Published on 14 Nov 2012 - 6:03

score 216 · Answer 13 · 2012-11-16 06:04:37

216

Views

A question about rational.

Published on 16 Nov 2012 - 6:04

score 1.2k · Answer 14 · 2012-11-18 05:24:35

1.2k

Views

Show that $p/q$ is the$ [(1/2)(p+q-1)(p+q-2)+q]$th term of the series

Published on 18 Nov 2012 - 5:24

score 1.4k · Answer 15 · 2012-11-19 04:17:50

1.4k

Views

Prove that given any rational number there exists another greater than or equal to it that differs by less than $\frac 1n$

Published on 19 Nov 2012 - 4:17

List Question

Is the square root of -1 rational?

How to find out the probability of ordered pairs of rational or irrational number $(a,b)$ such that $1<a<50, 1,<b<50$, and $\log_b a$ is rational.

Constructing the reals from the rationals

Why (directly!) does every number divide 9, 99, 999, ... or 10, 100, 1000, ..., or their product?

Chances of avoiding the diagonal

Let $r_n$ be an enumeration of the rationals in $[0,1]$, does the sequence $\{B_{\frac{1}{n}}(r_n)\}_{n=k}^m$ cover $[0,1]$ for $m-k$ finite?

For what algebraic curves do rational points form a group?

Half the rationals?

Faster arithmetic with finite continued fractions

How to represent fraction $\frac{1}{a+b\cdot \sqrt[3]{2} + c\cdot (\sqrt[3]{2})^2}$ as $a_1 + b_1 \cdot \sqrt[3]{2} + c_1 \cdot (\sqrt[3]{2})^2$?

How to prove the existence of $b$ in $Q$ such that $a<b^2<c$ in $Q$?

cross multiplication property

A question about rational.

Show that $p/q$ is the$ [(1/2)(p+q-1)(p+q-2)+q]$th term of the series

Prove that given any rational number there exists another greater than or equal to it that differs by less than $\frac 1n$

Trending Questions

Popular # Hahtags

Popular Questions