\usepackage[utf8]{}    
\usepackage[T1]{fontenc}

\usepackage[francais,bloc,completemulti]{automultiplechoice} 
% [nowatermark] pour enlever le texte "PROJET" et le pied de page
\usepackage{multicol}

\usepackage{ifthen}
\usepackage{amsfonts,amsmath,amssymb}


% Quelques symboles supplémentaires
\usepackage{mathrsfs}       
\usepackage{pslatex}
\usepackage{hyperref}
\usepackage{eurosym}
\usepackage{xcolor}
\usepackage{titlesec}


\usepackage[output-decimal-marker={,}]{siunitx}




%lettre pour les courbes
\usepackage{calrsfs}

\usepackage{fp,xfp}


\usepackage{tabularx}
\usepackage{multirow}


%Permet de faire des répétitions 
\usepackage{multido}

\usepackage{pgf,tikz,pgfplots}
\pgfplotsset{compat=1.17}

%géométrie euclidienne
\usepackage{tkz-euclide}

%tableau de variations
\usepackage{tkz-tab} 

\usetikzlibrary{arrows}
\usetikzlibrary{backgrounds}
\usetikzlibrary{positioning}
\usetikzlibrary{intersections}
\usetikzlibrary{arrows.meta}
\usetikzlibrary{shapes,shapes.misc}
\usetikzlibrary{angles}
\usetikzlibrary{quotes}
\usetikzlibrary{bending}
\usetikzlibrary{decorations.markings,decorations.pathmorphing,decorations.pathreplacing,decorations.text}
\usetikzlibrary{trees}
\usetikzlibrary{patterns,patterns.meta}
\usetikzlibrary{matrix}
\usetikzlibrary{fit}
\usetikzlibrary{cd}
\usetikzlibrary{automata}
\usetikzlibrary{shadows}
\usetikzlibrary{intersections}
\usetikzlibrary{fadings}
\tikzfading[name=fade inside, inner color=transparent!80, outer color=transparent!30]
\usetikzlibrary{calc}
\usetikzlibrary{through}
\usetikzlibrary{tikzmark}
\usetikzlibrary{calc,positioning,shapes.misc,intersections,through,backgrounds}
\usepackage{bezierplot}
\usepackage{pgfkeys}

%flèche avec explications calculs 
\usepackage{witharrows}

%pointillés
\usepackage{dashundergaps}

%décorations du titre
\usepackage{fourier-orns}

\geometry{hmargin=3cm,headheight=1.2cm,headsep=0cm,footskip=0.5cm,top=2cm,bottom=1.2cm,left=1.2cm,right=1.2cm}


%titre ------------------------------------------------
\newcommand{\montitre}[1]{
\begin{center}\Large \textbf{\decofourleft~ #1 ~\decofourright}\end{center}}

\setlength{\parindent}{0cm}

