Mathematics
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Tim Raczkowski
  • Member for 7 years, 6 months
  • Last seen more than 4 years ago
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About

I am currently an instructor at Northern Oklahoma College, who still gets the urge to do higher level math. Currently, reviewing real analysis,algebra, and general topology. I'm bouncing around different subjects which is typical of how I work. tjraczko@okstate.edu

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All Questions Answers
Score Newest
answer
22
Is there a set which is a group with respect to both addition and multiplication?
Apr 9, 2015
answer
21
Cantor's Theorem Paradox?
Feb 6, 2015
answer
21
Every nonempty subset of the natural numbers has a least number
Nov 13, 2015
answer
16
How to prove $b^n-1 \geq n(b-1)$ for $b>1$ and $n \geq 0$
Sep 17, 2015
answer
13
Integration of $\int_{-\infty}^{\infty} e^{-x^2 + 2x} dx$
Feb 26, 2015
answer
12
The Matrix in ZFC: A Set-Theoretic Foundation of Matrices?
Feb 24, 2015
question
12
Show that $\{e^{in}: n\in\Bbb N\}$ is Dense in the Unit Circle
Dec 18, 2014
question
12
Anybody know a proof of $\prod_{n=1}^\infty\cos(x/2^n)=\sin x/x$. [duplicate]
Mar 18, 2015
answer
12
Evaluating the limit $\lim_{n\to\infty} \left(\frac{1}{n^2}+\frac{2}{n^2}+...+\frac{n-1}{n^2}\right)$
Oct 18, 2015
answer
12
Why are the coefficients of the equation of a plane the normal vector of a plane?
Nov 11, 2015

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