Mathematics
orion2112
  • Member for 4 years
  • Last seen more than a month ago
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22
Intuitively, what exactly does the ellipse equation mean?
Jun 23 '18
4
Does $\lim_{x\rightarrow 0}\frac{\ln(x)}{\cot(x)}$ exist or not?
Feb 10 '18
3
Name for constant distance in ellipse and hyperbola
Jan 5 '18
3
Find formula for function of $n$ returning $0$ if $n$ is composite and $1$ if $n$ is prime
Dec 21 '18
2
Conjecture: if $a$, $b$ and $c$ have no common factors, dividing each of them by their sum yields at least one irreducible fraction
Dec 7 '18
2
Fractions that have interesting, fun or noteworthy decimal expansions
Sep 6 '19
1
Proving the slope of an absolute value function going through 3 points is the fastest slope among these points
Oct 24 '19
1
Integral $\int \:\frac{dt}{\left(t^2-1\right)^2}$
Feb 16 '18
1
The idea of having a limit as $x \rightarrow a$ where the denominator is 0 confuses me
Dec 10 '18
1
Khan Academy calculus problem solution differentiation at a point: algebraic, incorrect.
Mar 1 '18
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54
The concept of infinity for a 5 year old
7
Simple, elegant ways to teach the idea of what functions are for the first time
5
How does Project Euler come up with such good problems so rapidly?
5
Collaborative note taking

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