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Top Questions
10
votes
Geometric Interpretation of Rearrangement Inequality
inequality
geometric-interpretation
asked Apr 18, 2017 at 21:23
math.stackexchange.com
9
votes
Is $180^\circ = \pi$?
trigonometry
asked Dec 28, 2018 at 10:28
matheducators.stackexchange.com
7
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$(f(x))^2=f(2x)+2f(x)-2$ Functional Equation
functional-equations
asked Apr 5, 2017 at 20:56
math.stackexchange.com
5
votes
Collinearity of $4$ points
euclidean-geometry
projective-geometry
asked Mar 14 at 14:05
math.stackexchange.com
5
votes
Painting the board by selecting $2\times 2$ type squares from the $m\times n$ type board
combinatorics
asked Jul 17, 2022 at 19:03
math.stackexchange.com
Top Answers
5
Let $( \sqrt{2} + 1)^{1000} = a + b \sqrt{2}$, where a and b are integers. Find the greatest common factor of b and 81.
math.stackexchange.com
5
Angle bisector in a right angled triangle
math.stackexchange.com
5
The maximum area of a hexagon that can inscribed in an ellipse
math.stackexchange.com
5
Discrete Mathematics: If $a,b,c,d \in \mathbb{R}$, then $(ab-cd)^2 \leq (a^2+c^2)(b^2+d^2)$.
math.stackexchange.com
5
Prove $\frac{1}{(y+z) x^4} + \frac{1}{(x+z) y^4} + \frac{1}{(y+x) z^4}\geq\frac{3}{2}$ for $x, y, z>0$, with $xyz=1$
math.stackexchange.com
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