Question

Find the maximum value of the function $M=\sqrt{x^2+y^2-2xy}+\sqrt{y^2+z^2-2yz}+\sqrt{z^2+x^2-2xz}$

score 135 · Answer 1 · 2026-03-27 02:36:06

135

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Find the maximum value of the function $M=\sqrt{x^2+y^2-2xy}+\sqrt{y^2+z^2-2yz}+\sqrt{z^2+x^2-2xz}$

Published on 27 Mar 2026 - 2:36

score 73 · Answer 2 · 2026-04-10 11:13:18

73

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Can equivalents be "better" than series?

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score 88 · Answer 3 · 2026-03-25 04:58:47

88

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How can we show that $\left|a+b+c\right|^p-2\left|a\right|^p\le C\left(\left|b\right|^p+\left|c\right|^p\right)$?

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score 87 · Answer 4 · 2026-04-12 00:30:50

87

Views

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score 244 · Answer 5 · 2026-04-12 23:25:39

244

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score 46 · Answer 6 · 2026-04-13 16:24:21

46

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score 272 · Answer 7 · 2026-04-13 21:43:31

272

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score 429 · Answer 8 · 2026-04-08 20:20:54

429

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score 265 · Answer 9 · 2026-04-13 23:41:28

265

Views

How can I prove that $\frac{e^x+e^y}{2}>e^\frac{x+y}{2}$, where $x \neq y$?

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score 120 · Answer 10 · 2026-03-31 15:10:15

120

Views

A simple inequality involving the entropy function $H(x)$.

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score 89 · Answer 11 · 2026-04-11 11:01:21

89

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score 51 · Answer 12 · 2026-04-12 14:23:42

51

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score 80 · Answer 13 · 2026-04-13 03:50:10

80

Views

Need help with integration by substitution for $\int_x^{x+1}\left(\sin\ t^2\right)dt$

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score 79 · Answer 14 · 2026-03-27 14:21:34

79

Views

Can we bound $\|a+b\|$ if $\|ae-a\|$ and $\|be\|$ are small, in a $C^*$-algebra?

Published on 27 Mar 2026 - 14:21

score 165 · Answer 15 · 2026-03-25 22:02:53

165

Views

Asian Option pricing payoff inequality

Published on 25 Mar 2026 - 22:02

List Question

Find the maximum value of the function $M=\sqrt{x^2+y^2-2xy}+\sqrt{y^2+z^2-2yz}+\sqrt{z^2+x^2-2xz}$

Can equivalents be "better" than series?

How can we show that $\left|a+b+c\right|^p-2\left|a\right|^p\le C\left(\left|b\right|^p+\left|c\right|^p\right)$?

How to prove the following by Cauchy-Schwarz?

Peetre's Inequality - not strict?

Why is $\sum_{n=1}^N\varepsilon_ka_k$ symmetric around the origin?

Quantifying how crowded points are in $d$ dimensional cube

How does the triangle inequality correspond to a triangle?

How can I prove that $\frac{e^x+e^y}{2}>e^\frac{x+y}{2}$, where $x \neq y$?

A simple inequality involving the entropy function $H(x)$.

Further terms of Taylor expansion for improved inequalities?

Question about an inequation described by matrices.

Need help with integration by substitution for $\int_x^{x+1}\left(\sin\ t^2\right)dt$

Can we bound $\|a+b\|$ if $\|ae-a\|$ and $\|be\|$ are small, in a $C^*$-algebra?

Asian Option pricing payoff inequality

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