Math 300 (Blok)             Writing  Assignment  3                      Fall  2003

 

 

Use  TeX to type two or more of your favorite results from mathematics, statistics or computer science that contain a good number of mathematical symbols. Type them out as they might be stated in a book.

 

Find a computer that has some version of TeX; for example PC TeX on PCs, OzTeX  on Macs. Create your file in a simple editor, such as Notepad or Simpletext. Save your file as <filename>.tex. Typeset the file; this will produce a file called  <filename>.dvi. You can view the .dvi file, and print it once you are satisfied with the result. 

 

Due in class: October 15. Write your name on the output.

 

The TeX source file for ÔIn Class Writing Exercise 2Õ was:

 

%source file for inclass writing exercise 10/7/2003

\documentclass[12pt]{article}

\def\blank{\quad\rule{2cm}{.1mm}\quad}

\pagestyle{empty}

\begin{document}

\noindent

{\sc Math 300 (Blok)  \hfill In Class Writing 2   \hfill Fall 2003}

 

\bigskip

\noindent

{\sc Connecting phrases:}

 

\smallskip

In each of the following examples fill in the blanks with a

connecting word. Examples of words that can be used are: and,

but, therefore, so, since, hence, although, however, despite this,

because, then; this list is not exhaustive.   Add commas as

necessary.

 

\begin{enumerate}

\item  It was raining \blank I didn't go biking.

 

\item I went to the baseball game \blank I ate a hot dog.

 

\item \blank the sum of the angles of a convex pentagon is

540 degrees, each angle of a regular pentagon measures  108

degrees.

 

\item The geometric series

$\sum_{n=1}^\infty r^n$ converges \blank $|r| < 1$.

 

\item The terms of the harmonic series tend to 0 \blank

the harmonic series diverges.

 

\item The terms of the geometric series $$\sum_{n=1}^\infty

(\frac{1}{2})^n$$ tend to 0

\blank this series converges.

 

\item Euler proved $\sum_{n=1}^\infty \frac{1}{n^2} =

\frac{\pi^2}{6}$ \blank  $\sum_{n=1}^{500} \frac{1}{n^2}

\leq\frac{\pi^2}{6}$.

 

\item $\sum_{n=1}^\infty \frac{1}{n^2} < 1.7$ \blank

$\sum_{n=1}^\infty \frac{1}{n^3}$ is between 1.202 and 1.203.

 

\item The series $\sum_{n=1}^\infty \frac{1}{n^3}$ converges. Its

sum, \blank is not known.

 

\item The sum of the volumes of the blocks in the Deluxe set is less

than 1.5 ft$^3$ \blank the blocks won't fit in a box with  dimensions

1.5 ft $\times$ 1 ft $\times$ 1 ft.

 

\item  For every integer $n \geq 2$ the rectangle with vertices $n-1$,

 $n$, and $\frac{1}{n^3}$ is contained in the region bounded by the

the $x$-axis, the line $x = 1$ and the graph of $f(x) =

\frac{1}{x^3}$. The rectangles are disjoint

\blank

$$\int_1^\infty \frac{1}{x^3} dx \geq \frac{1}{2^3} + \frac{1}{3^3} +

\frac{1}{4^3} + \ldots.$$

 

\end{enumerate}

\end{document}