Question

Root Function Inequalities

score 27 · Answer 1 · 2026-04-10 03:50:18

27

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Root Function Inequalities

Published on 10 Apr 2026 - 3:50

score 118 · Answer 2 · 2026-03-26 08:14:29

118

Views

Regarding AM-GM inequality

Published on 26 Mar 2026 - 8:14

score 155 · Answer 3 · 2018-12-03 06:38:54

155

Views

Prove that $ \frac{1}{5}+ \frac{1}{9}+ \frac{1}{13}+\ldots+ \frac{ 1}{2005}< \frac{ 7}{4}$.

Published on 03 Dec 2018 - 6:38

score 74 · Answer 4 · 2026-04-09 03:41:15

74

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How can we find some radius of circle so $-x\arctan(x)+0.2x-y\arctan(y)+0.9y=0$ will be fully inside this circle?

Published on 09 Apr 2026 - 3:41

score 132 · Answer 5 · 2026-03-25 07:47:57

132

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Inequality for $a,c,b$ positive real numbers with $a + b + c = 1$

Published on 25 Mar 2026 - 7:47

score 392 · Answer 6 · 2026-04-01 05:29:30

392

Views

Inequality for $\sin(20°)$

Published on 01 Apr 2026 - 5:29

score 39 · Answer 7 · 2026-04-08 02:57:28

39

Views

is it possible to solve this inequality for L?

Published on 08 Apr 2026 - 2:57

score 46 · Answer 8 · 2026-04-11 10:36:10

46

Views

Prove the inequality: $ | 1 - K | < 1 $

Published on 11 Apr 2026 - 10:36

score 95 · Answer 9 · 2018-12-03 18:12:27

95

Views

Show $\sup_{x\in[0,1]} | x -f(x)|\geq \frac{1}{2}$ for any $f$ with $f(0)=0$ and $\int^1_0 f(t)dt=0$.

Published on 03 Dec 2018 - 18:12

score 244 · Answer 10 · 2026-04-10 22:24:02

244

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On an Inequality for the Riemann Zeta Function

Published on 10 Apr 2026 - 22:24

score 53 · Answer 11 · 2026-03-25 04:40:57

53

Views

How to find which of two events -drawn from a normal distribution- is more likely?

Published on 25 Mar 2026 - 4:40

score 102 · Answer 12 · 2026-04-13 07:24:23

102

Views

What's the better proof for $|a| - |b|$ $\leq$ $|a - b|$

Published on 13 Apr 2026 - 7:24

score 207 · Answer 13 · 2018-12-04 09:16:46

207

Views

Range of $\sin \alpha\cdot \sin \beta+\sin \beta \cdot \sin \gamma+\sin \gamma \cdot \sin \alpha$ is

Published on 04 Dec 2018 - 9:16

score 506 · Answer 14 · 2026-03-30 05:30:14

506

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Uniqueness of the maximizer of the Hardy inequality

Published on 30 Mar 2026 - 5:30

score 129 · Answer 15 · 2026-03-26 06:34:53

129

Views

Find the maximize value of $\sqrt{\frac{a}{a+c}}+\sqrt{\frac{b}{b+c}}-\frac{9\sqrt{c^2+1}}{8c}$

Published on 26 Mar 2026 - 6:34

List Question

Root Function Inequalities

Regarding AM-GM inequality

Prove that $ \frac{1}{5}+ \frac{1}{9}+ \frac{1}{13}+\ldots+ \frac{ 1}{2005}< \frac{ 7}{4}$.

How can we find some radius of circle so $-x\arctan(x)+0.2x-y\arctan(y)+0.9y=0$ will be fully inside this circle?

Inequality for $a,c,b$ positive real numbers with $a + b + c = 1$

Inequality for $\sin(20°)$

is it possible to solve this inequality for L?

Prove the inequality: $ | 1 - K | < 1 $

Show $\sup_{x\in[0,1]} | x -f(x)|\geq \frac{1}{2}$ for any $f$ with $f(0)=0$ and $\int^1_0 f(t)dt=0$.

On an Inequality for the Riemann Zeta Function

How to find which of two events -drawn from a normal distribution- is more likely?

What's the better proof for $|a| - |b|$ $\leq$ $|a - b|$

Range of $\sin \alpha\cdot \sin \beta+\sin \beta \cdot \sin \gamma+\sin \gamma \cdot \sin \alpha$ is

Uniqueness of the maximizer of the Hardy inequality

Find the maximize value of $\sqrt{\frac{a}{a+c}}+\sqrt{\frac{b}{b+c}}-\frac{9\sqrt{c^2+1}}{8c}$

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