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Mathematics

Revival

 Revival
Answer more than 30 days after a question was asked as first answer scoring 2 or more. This badge can be awarded multiple times.

earned this badge 13 times.
Prove $\frac{x}{y^2}+\frac{y}{z^2}+\frac{z}{x^2}\ge \frac{x^2}{y}+\frac{y^2}{z}+\frac{z^2}{x}$ where $x, y, z > 0$ and $x+y+z=3$
Awarded Jan 4, 2023 at 23:31
(Dis)Prove $\sum_{i=1}^n\sum_{j=1}^n{(|x_{i}-x_{j}|-|y_{i}-y_{j}|)^2}\geq 4$
Awarded Aug 10, 2022 at 11:43
Inequality : $\Big(\frac{x^n+1+(\frac{x+1}{2})^n}{x^{n-1}+1+(\frac{x+1}{2})^{n-1}}\Big)^n+\Big(\frac{x+1}{2}\Big)^n\leq x^n+1$
Awarded Oct 23, 2020 at 2:11
Condition for trigonometric inequality
Awarded Jun 2, 2019 at 12:55
Partitioning points with a line
Awarded Oct 27, 2017 at 18:40
How prove this inequality $(\sum a_{1}^{1.5})^2\ge \sum a_{1}\sum a_{1}a_{2}$
Awarded Oct 2, 2017 at 8:50
Is there a closed form for this sum?
Awarded Mar 22, 2017 at 0:03
Calculating and estimating the size of a minimal normal form
Awarded Oct 15, 2016 at 18:16
What's the name of this Powerful lemma?
Awarded Sep 22, 2016 at 10:32
Intersection of two spherical caps in $(n+1)$-dimensional Euclidian space
Awarded Sep 19, 2016 at 10:40
Stronger than Nesbitt inequality
Awarded Jul 1, 2016 at 17:19
A Very Hard Inequality
Awarded Jun 12, 2016 at 21:50
(post deleted or otherwise unavailable)
Awarded Mar 6, 2016 at 16:34

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