LaTeX.org

I think that is "\textbackslash" command is my option. In school we don't use packages that we not learn yet.

Can you tell me a diference in these commands:

"$"
"$$"
"\begin{equation} \end{equation}"

Use simple words.

I didn't get this question on exam,but i need to know that. Listen,i'm new in Latex(and i don't like him) :). We use only this packeges now:

\documentclass[11pt,twocolumn]{article}
\usepackage[cp1250]{inputenc}
\usepackage[serbian]{babel}
\usepackage{amsmath,amssymb,amsfonts}
\begin{document}

I ...

Exam is past now. I didn't get this comamnd on exam. I bag you to show me that command. Thanks anyway.

Please help!!!

How to write a BOLDED latex command(i don
t want to latex recognize it):" \icludegraphics "...

I try it with:" \verb \textbf{\includegraphics} " -that didn't worked.
i try it with:" \textbf{ \verb \includegraphics) } " -nothing. :/

Help,i need for exam.