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authorKarl Berry <karl@freefriends.org>2017-01-12 23:14:02 +0000
committerKarl Berry <karl@freefriends.org>2017-01-12 23:14:02 +0000
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tree1dbb66ccb50f0c47926c6edb02f7b355519c20b3 /Master/texmf-dist/doc/latex/math-into-latex-4/mathb.tex
parent2a37d3018353834123c45066ee3ea6a4e11a46f1 (diff)
math-into-latex-4
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+% Sample file: mathB.tex
+\documentclass{sample}
+
+\begin{document}
+In first year calculus, we define intervals such
+% as $(u, v)$ and $(u, \infty)$. Such an interval
+as $(u, v)$ and (u, \infty)$. Such an interval
+is a \emph{neighborhood} of $a$
+if $a$ is in the interval. Students should
+realize that $\infty$ is only a
+symbol, not a number. This is important since
+we soon introduce concepts
+ such as $\lim_{x \to \infty} f(x)$.
+%such as $\lim_{x \to \infty f(x)$.
+
+When we introduce the derivative
+\[
+ \lim_{x \to a} \frac{f(x) - f(a)}{x - a}
+% \lim_{x \to a} \frac{f(x) - f(a) x - a}
+\]
+we assume that the function is defined and continuous
+in a neighborhood of $a$.
+\end{document}