Question

Prove that a certain set is a halfplane.

score 82 · Answer 1 · 2026-05-11 01:03:54

82

Views

Prove that a certain set is a halfplane.

Published on 11 May 2026 - 1:03

score 61 · Answer 2 · 2026-04-12 10:04:49

61

Views

Extending continuity on $\mathbb{R}$ to continuity on $\overline{\mathbb{R}}= \mathbb{R} \cup \{-\infty,+\infty\}$

Published on 12 Apr 2026 - 10:04

score 126 · Answer 3 · 2026-04-11 10:03:22

126

Views

How to define $a^b$ when $b$ is real?

Published on 11 Apr 2026 - 10:03

score 54 · Answer 4 · 2026-04-09 08:34:28

54

Views

An inequality involving n-th real root of real numbers

Published on 09 Apr 2026 - 8:34

score 138 · Answer 5 · 2026-04-17 09:19:07

I need to find the real and imaginary part of this $Z_{n}=\left (\frac{ \sqrt{3} + i }{2}\right )^{n} + \left (\frac{ \sqrt{3} - i }{2}\right )^{n}$

score 128 · Answer 6 · 2026-04-16 08:37:11

128

Views

Prove that for all $x\in\Bbb R$, precisely one of the statements $x>0$, $x=0$, or $x<0$ holds

Published on 16 Apr 2026 - 8:37

score 93 · Answer 7 · 2026-04-12 19:42:48

93

Views

group subtraction inequality

Published on 12 Apr 2026 - 19:42

score 546 · Answer 8 · 2026-04-09 05:55:10

546

Views

How to define natural numbers in terms of real numbers?

Published on 09 Apr 2026 - 5:55

score 2.8k · Answer 9 · 2026-04-14 21:33:51

2.8k

Views

If sup A $\lt$ sup B show that an element of $B$ is an upper bound of $A$

Published on 14 Apr 2026 - 21:33

score 572 · Answer 10 · 2026-05-11 09:35:08

572

Views

Show that the closure of $\Bbb{Q}$ is equal to $\Bbb{R}$

Published on 11 May 2026 - 9:35

score 45 · Answer 11 · 2026-05-11 06:19:59

45

Views

Probability for 3 points $a$, $b$, $c$ chosen from $N$ points given their sum is constant, such that $a+b\ge c$, i.e, it can form a triangle.

Published on 11 May 2026 - 6:19

score 818 · Answer 12 · 2026-04-14 05:21:32

818

Views

Find all $z$ for which $z^2+2z+2$ is real positive.

Published on 14 Apr 2026 - 5:21

score 57 · Answer 13 · 2026-05-10 13:48:38

57

Views

Standards for representing real numbers in computers (other than floating point)?

Published on 10 May 2026 - 13:48

score 15.1k · Answer 14 · 2026-04-14 10:18:24

15.1k

Views

Why can a real number be defined as a Dedekind cut, that is, as a set of rational numbers?

Published on 14 Apr 2026 - 10:18

score 53 · Answer 15 · 2026-05-10 12:39:07

53

Views

can we preserve correctness of inequality after adjusting all involved exponents?

Published on 10 May 2026 - 12:39

List Question

Prove that a certain set is a halfplane.

Extending continuity on $\mathbb{R}$ to continuity on $\overline{\mathbb{R}}= \mathbb{R} \cup \{-\infty,+\infty\}$

How to define $a^b$ when $b$ is real?

An inequality involving n-th real root of real numbers

I need to find the real and imaginary part of this $Z_{n}=\left (\frac{ \sqrt{3} + i }{2}\right )^{n} + \left (\frac{ \sqrt{3} - i }{2}\right )^{n}$

Prove that for all $x\in\Bbb R$, precisely one of the statements $x>0$, $x=0$, or $x<0$ holds

group subtraction inequality

How to define natural numbers in terms of real numbers?

If sup A $\lt$ sup B show that an element of $B$ is an upper bound of $A$

Show that the closure of $\Bbb{Q}$ is equal to $\Bbb{R}$

Probability for 3 points $a$, $b$, $c$ chosen from $N$ points given their sum is constant, such that $a+b\ge c$, i.e, it can form a triangle.

Find all $z$ for which $z^2+2z+2$ is real positive.

Standards for representing real numbers in computers (other than floating point)?

Why can a real number be defined as a Dedekind cut, that is, as a set of rational numbers?

can we preserve correctness of inequality after adjusting all involved exponents?

Trending Questions

Popular # Hahtags

Popular Questions