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Mathematics
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Tim Raczkowski

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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  • Member for 4 years, 5 months
  • 2,859 profile views
  • Last seen Jun 20 '17 at 20:03

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Top Posts (783) All Questions Answers | Votes Newest

21 Cantor's Theorem Paradox? Feb 6 '15
19 Is there a set which is a group with respect to both addition and multiplication? Apr 9 '15
16 How to prove $b^n-1 \geq n(b-1)$ for $b>1$ and $n \geq 0$ Sep 17 '15
13 Integration of $\int_{-\infty}^{\infty} e^{-x^2 + 2x} dx$ Feb 26 '15
12 Anybody know a proof of $\prod_{n=1}^\infty\cos(x/2^n)=\sin x/x$. Mar 18 '15
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 '15
10 Show that $\{e^{in}: n\in\Bbb N\}$ is Dense in the Unit Circle Dec 18 '14
10 Sufficient condition for an infinite series to be zero Jan 16 '15
10 Every nonempty subset of the natural numbers has a least number Nov 13 '15
9 How do you simplify in writing $[1, \infty) \cap [2, \infty) \cap [3, \infty) \ldots $ , in Real Analysis? Jan 15 '15
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