\documentclass[10pt,a4paper]{article} % Packages \usepackage{fancyhdr} % For header and footer \usepackage{multicol} % Allows multicols in tables \usepackage{tabularx} % Intelligent column widths \usepackage{tabulary} % Used in header and footer \usepackage{hhline} % Border under tables \usepackage{graphicx} % For images \usepackage{xcolor} % For hex colours %\usepackage[utf8x]{inputenc} % For unicode character support \usepackage[T1]{fontenc} % Without this we get weird character replacements \usepackage{colortbl} % For coloured tables \usepackage{setspace} % For line height \usepackage{lastpage} % Needed for total page number \usepackage{seqsplit} % Splits long words. %\usepackage{opensans} % Can't make this work so far. Shame. Would be lovely. \usepackage[normalem]{ulem} % For underlining links % Most of the following are not required for the majority % of cheat sheets but are needed for some symbol support. \usepackage{amsmath} % Symbols \usepackage{MnSymbol} % Symbols \usepackage{wasysym} % Symbols %\usepackage[english,german,french,spanish,italian]{babel} % Languages % Document Info \author{beabo} \pdfinfo{ /Title (math.pdf) /Creator (Cheatography) /Author (beabo) /Subject (math Cheat Sheet) } % Lengths and widths \addtolength{\textwidth}{6cm} \addtolength{\textheight}{-1cm} \addtolength{\hoffset}{-3cm} \addtolength{\voffset}{-2cm} \setlength{\tabcolsep}{0.2cm} % Space between columns \setlength{\headsep}{-12pt} % Reduce space between header and content \setlength{\headheight}{85pt} % If less, LaTeX automatically increases it \renewcommand{\footrulewidth}{0pt} % Remove footer line \renewcommand{\headrulewidth}{0pt} % Remove header line \renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit % This two commands together give roughly % the right line height in the tables \renewcommand{\arraystretch}{1.3} \onehalfspacing % Commands \newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour \newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols \newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns \newcommand{\tn}{\tabularnewline} % Required as custom column type in use % Font and Colours \definecolor{HeadBackground}{HTML}{333333} \definecolor{FootBackground}{HTML}{666666} \definecolor{TextColor}{HTML}{333333} \definecolor{DarkBackground}{HTML}{5F4EA3} \definecolor{LightBackground}{HTML}{F5F3F9} \renewcommand{\familydefault}{\sfdefault} \color{TextColor} % Header and Footer \pagestyle{fancy} \fancyhead{} % Set header to blank \fancyfoot{} % Set footer to blank \fancyhead[L]{ \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{C} \SetRowColor{DarkBackground} \vspace{-7pt} {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}} } \end{tabulary} \columnbreak \begin{tabulary}{11cm}{L} \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{math Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{beabo} via \textcolor{DarkBackground}{\uline{cheatography.com/178745/cs/37298/}}} \end{tabulary} \end{multicols}} \fancyfoot[L]{ \footnotesize \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{LL} \SetRowColor{FootBackground} \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}} \\ \vspace{-2pt}beabo \\ \uline{cheatography.com/beabo} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Not Yet Published.\\ Updated 25th February, 2023.\\ Page {\thepage} of \pageref{LastPage}. \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}} \\ \SetRowColor{white} \vspace{-5pt} %\includegraphics[width=48px,height=48px]{dave.jpeg} Measure your website readability!\\ www.readability-score.com \end{tabulary} \end{multicols}} \begin{document} \raggedright \raggedcolumns % Set font size to small. Switch to any value % from this page to resize cheat sheet text: % www.emerson.emory.edu/services/latex/latex_169.html \footnotesize % Small font. \begin{multicols*}{2} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{LIMITS AND DERIVATIVES}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{b} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{e} \tn % Row Count 2 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{INTRO}} \tn \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{We say lim(x→a\textasciicircum{}–\textasciicircum{}) f(x) is the expected value of f at x = a given the values of f near \newline % Row Count 2 (+ 2) x to the left of a. This value is called the left hand limit of f at a. \newline % Row Count 4 (+ 2) We say lim (x→a\textasciicircum{}+\textasciicircum{}) f(x) is the expected value of f at x = a given the values of \newline % Row Count 6 (+ 2) f near x to the right of a. This value is called the right hand limit of f(x) at a. \newline % Row Count 8 (+ 2) If the right and left hand limits coincide, we call that common value as the limit \newline % Row Count 10 (+ 2) of f(x) at x = a and denote it by lim(x→a) f(x).% Row Count 11 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{LHL AND RHL}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/beabo_1677298709_Screenshot 2023-02-25 081326.jpg}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{1. A constant function takes the same value for all values of x, hence, limit will also be same \newline 2. If value of lhl != rhl, limit is not defined \newline 3. However, at a given point the value of a function and its limit may differ, even when both are defined} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Algebra of limits}} \tn % Row 0 \SetRowColor{LightBackground} Limit of sum of two functions is sum of the limits of the functions & lim x→a {[}f(x) + g (x){]} = lim x→a f(x) + lim x→a g(x) \tn % Row Count 4 (+ 4) % Row 1 \SetRowColor{white} Limit of difference of two functions is difference of the limits of the functions & lim x→a {[}f(x) – g(x){]} = lim x→a f(x) – lim x→a g(x) \tn % Row Count 9 (+ 5) % Row 2 \SetRowColor{LightBackground} Limit of product of two functions is product of the limits of the functions & lim x→a {[}f(x) . g(x){]} = lim x→a f(x). lim x→a g(x) \tn % Row Count 13 (+ 4) % Row 3 \SetRowColor{white} Limit of quotient of two functions is quotient of the limits of the functions (whenever the denominator is non zero) & lim x→a {[}f(x)/g(x){]} = lim x→a f(x)/lim x→a g(x) \tn % Row Count 19 (+ 6) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{In particular as a special case of (iii), when g is a constant function \newline such that g(x) = λ , for some real number λ , we have \newline lim(x→a) {[}( λ.f)(x){]}=λ. lim (x→a) f(x)} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Limits of polynomial functions}} \tn \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{A function f is said to be a polynomial function if f(x) is zero function or if f(x) = a0 + a1x + a2x2 +. . . + anxn, where aix are real numbers such that an ≠ 0 for some natural number n. \newline % Row Count 4 (+ 4) 1. Iim(x →a)x\textasciicircum{}n\textasciicircum{}=a\textasciicircum{}n\textasciicircum{} \newline % Row Count 5 (+ 1) 2. let f(x)=a0+a1x+a2x\textasciicircum{}2\textasciicircum{}...anx\textasciicircum{}n\textasciicircum{} be a polynomial function. \newline % Row Count 7 (+ 2) then, f(x)=f(a)% Row Count 8 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}