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Top Questions
36
votes
The $100$th derivative of $(x^2 + 1)/(x^3 - x)$
calculus
derivatives
asked Aug 17 '12 at 4:10
math.stackexchange.com
12
votes
2012 Putnam Exam A3
analysis
contest-math
asked Dec 4 '12 at 4:49
math.stackexchange.com
8
votes
proof of l'Hôpital's rule
calculus
analysis
asked Aug 7 '12 at 20:05
math.stackexchange.com
8
votes
Group of sphere transformations, impressing friends
abstract-algebra
group-theory
puzzle
recreational-mathematics
asked Nov 17 '12 at 0:05
math.stackexchange.com
7
votes
Intuition behind Cantor-Bernstein-Schroeder
elementary-set-theory
intuition
asked Oct 30 '12 at 22:15
math.stackexchange.com
7
votes
Even integer approximations to multiples of pi
number-theory
analysis
approximation
asked Feb 19 at 22:14
math.stackexchange.com
7
votes
strange behavior with \centering
horizontal-alignment
errors
asked Dec 27 '12 at 0:31
tex.stackexchange.com
6
votes
$\pi$, Dedekind cuts, trigonometric functions, area of a circle
geometry
analysis
trigonometry
asked Oct 20 '12 at 2:57
math.stackexchange.com
5
votes
Is this limit evaluation correct?
calculus
asked Jun 6 '12 at 0:20
math.stackexchange.com
Top Answers
8
Verifying a proof that if $x,y,z \geq 0$ and $x+y+z = 1$, then $0 \le xy + yz + zx - 2xyz \le \frac{7}{27}$
math.stackexchange.com
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