%!TEX pdflatex

\documentclass{article}
\usepackage{tikz}
\usepackage{pgf,pgffor}
\usepackage{siunitx}
\sisetup{locale=FR}
\usepackage{tkz-tab}

\begin{document}

\begin{tikzpicture}
	\tkzTabSetup[arrowcolor=white]
	\tkzTabInit[lgt=3.75,espcl=6]{$x$ / 0.5 , signe de $V'(x)$ / 1 , variation de $V$/2}{$1$,$4$}
	\tkzTabLine{,$\vphantom{ph}\ldots$,}
	\tkzTabVar{+/$\vphantom{ph}\ldots$,-/$\vphantom{ph}\ldots$}
\end{tikzpicture}

\end{document}