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sas
  • Member for 12 years, 2 months
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26 votes

Probability of Sets

24 votes

Statements with rare counter-examples

23 votes
Accepted

List of functions not integrable in elementary terms

16 votes

A game with $\delta$, $\epsilon$ and uniform continuity.

9 votes
Accepted

Solve equation: $5^x = -2x + 7$

8 votes

An example of a problem which is difficult but is made easier when a diagram is drawn

7 votes

Imaginary Numbers. Example of when it arises in a "real" application of math?

5 votes

If $|z_1 - z_2| = |z_1 + z_2|$, then $\arg z_1 - \arg z_2 = \pi/4 $

4 votes

Dedekind-Like construction of p-adic numbers

4 votes

Why is there antagonism towards extended real numbers?

4 votes

A very interesting geometry problem

4 votes
Accepted

Find $\lim_{x\to 0}(x+\sin x)^{\tan x}$

3 votes

Axiom of Choice: What exactly is a choice, and when and why is it needed?

3 votes

First derivative of $e^{-2x}/(1-x)$

3 votes

Video lectures of algebraic geometry (Hartshorne, Shafarevich, ... )

3 votes

Solving equations with logarithms

3 votes
Accepted

Regex for strings with no three identical consecutive characters

3 votes
Accepted

Prove commutativity of product in natural numbers

2 votes
Accepted

Sets, subset relations, and elements in a set

2 votes

$\frac {\operatorname d\!y}{\operatorname d\!x}$ for $\sqrt{xy}=1$

2 votes
Accepted

Properties of cyclic quadrilateral

2 votes

Question about integration by parts?

2 votes
Accepted

Solving equations with complex roots

2 votes

Linear Independence for Column Vectors?

2 votes

Definition of $\omega_1$, comparing it to $2^\mathbb{N}$?

2 votes

The interval determined by absolute value inequality $|1-2x| < |1+x|$

2 votes

What are some things that mathematics students know, but others don't

1 vote

A peasant and his cows

1 vote
Accepted

limit of the function $x \to 1$

1 vote

Is there another way of solving this differential equation?