Question

Open Set Examples in Real Numbers

score 164 · Answer 1 · 2026-04-08 20:51:50

164

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Open Set Examples in Real Numbers

Published on 08 Apr 2026 - 20:51

score 75 · Answer 2 · 2018-03-18 15:50:14

75

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How to show the minimal value of $\frac{(a+b)^2}{\sqrt{a^2-1}+\sqrt{b^2-4}}$ is 6?

Published on 18 Mar 2018 - 15:50

score 75 · Answer 3 · 2018-03-18 19:31:49

75

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Derivative of a limit

Published on 18 Mar 2018 - 19:31

score 181 · Answer 4 · 2018-03-18 20:32:39

181

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Find the general term of the sequence $a_n = (0, 3, 1/2 , 5/3 , 2/3 , 7/5 , 3/4 , ...)$. Then find the limit of this sequence.

Published on 18 Mar 2018 - 20:32

score 812 · Answer 5 · 2026-03-25 06:04:37

812

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Sequence of functions convergent almost everywhere and bounded in $L^p$-norm implies convergence in $L^p$

Published on 25 Mar 2026 - 6:04

score 122 · Answer 6 · 2026-03-30 05:29:15

122

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Prove or disprove that $(b-a)^2(\log(b)-\log(a))^{-2}\ge ab$ for all $a,b>0$

Published on 30 Mar 2026 - 5:29

score 40 · Answer 7 · 2018-03-19 07:09:31

40

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Finding a function that solves the condition

Published on 19 Mar 2018 - 7:09

score 239 · Answer 8 · 2018-03-19 10:52:57

239

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How does the fractional part of $a^n$ behave at infinity？

Published on 19 Mar 2018 - 10:52

score 109 · Answer 9 · 2026-03-25 09:23:41

109

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Intersection oblate spheroid and a plane not passing through origin

Published on 25 Mar 2026 - 9:23

score 72 · Answer 10 · 2018-03-19 17:19:19

72

Views

Show that $\frac{1}{n!} \leq \frac{e^n}{n^n}$

Published on 19 Mar 2018 - 17:19

score 117 · Answer 11 · 2018-03-19 18:02:28

117

Views

Calculating $\int_0^{2\pi} \sin(nt)\cos(mt)dt$

Published on 19 Mar 2018 - 18:02

score 426 · Answer 12 · 2018-03-19 18:22:41

426

Views

Condition that implies non- zero Jacobian determinant

Published on 19 Mar 2018 - 18:22

score 60 · Answer 13 · 2026-03-29 14:59:10

60

Views

How to determine the convergence or divergence of this sequence without resort to the L'Hospital's rule?

Published on 29 Mar 2026 - 14:59

score 128 · Answer 14 · 2026-03-25 06:04:43

128

Views

It is true that a finite number of rectifiable curves cannot cover an open disk?

Published on 25 Mar 2026 - 6:04

score 36 · Answer 15 · 2018-03-20 05:23:49

36

Views

How do you prove that $f$ is homogeneous?

Published on 20 Mar 2018 - 5:23

List Question

Open Set Examples in Real Numbers

How to show the minimal value of $\frac{(a+b)^2}{\sqrt{a^2-1}+\sqrt{b^2-4}}$ is 6?

Derivative of a limit

Find the general term of the sequence $a_n = (0, 3, 1/2 , 5/3 , 2/3 , 7/5 , 3/4 , ...)$. Then find the limit of this sequence.

Sequence of functions convergent almost everywhere and bounded in $L^p$-norm implies convergence in $L^p$

Prove or disprove that $(b-a)^2(\log(b)-\log(a))^{-2}\ge ab$ for all $a,b>0$

Finding a function that solves the condition

How does the fractional part of $a^n$ behave at infinity？

Intersection oblate spheroid and a plane not passing through origin

Show that $\frac{1}{n!} \leq \frac{e^n}{n^n}$

Calculating $\int_0^{2\pi} \sin(nt)\cos(mt)dt$

Condition that implies non- zero Jacobian determinant

How to determine the convergence or divergence of this sequence without resort to the L'Hospital's rule?

It is true that a finite number of rectifiable curves cannot cover an open disk?

How do you prove that $f$ is homogeneous?

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