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\begin{document}

\begin{center}
\large\bfseries
Do stretchy characters in {\TeX} influence intrinsic widths?
\end{center}

\begin{multicols}{2}

parentheses\\
$ \left( \cdot \right) $\\
$ \left( \cdot V^k \right) $\\
$ \left( \cdot \frac{1}{x} \right) $\\
$ \left( \cdot \int\limits_{1}^{\infty}\frac{1}{x}\,dx \right) $\\
$ \left( \cdot \begin{array}{c} 1\\2\\3\\4 \end{array} \right) $

\vspace{\baselineskip}
curlies\\
$ \left\{ \cdot \right\} $\\
$ \left\{ \cdot V^k \right\} $\\
$ \left\{ \cdot \frac{1}{x} \right\} $\\
$ \left\{ \cdot \int\limits_{1}^{\infty}\frac{1}{x}\,dx \right\} $\\
$ \left\{ \cdot \begin{array}{c} 1\\2\\3\\4 \end{array} \right\} $


\vspace{\baselineskip}
angle brackets\\
$ \left\langle \cdot \right\rangle $\\
$ \left\langle \cdot V^k \right\rangle $\\
$ \left\langle \cdot \frac{1}{x} \right\rangle $\\
$ \left\langle \cdot \int\limits_{1}^{\infty}\frac{1}{x}\,dx \right\rangle $\\
$ \left\langle \cdot \left[ \begin{array}{c} 1\\2\\3\\4 \end{array} \right] \right\rangle $

\vspace{\baselineskip}
radicals\\
$ \sqrt{ \cdot } $\\
$ \sqrt{ \cdot V^k } $\\
$ \sqrt{ \cdot \frac{1}{x} } $\\
$ \sqrt{ \cdot \int\limits_{1}^{\infty}\frac{1}{x}\,dx } $\\
$ \sqrt{ \cdot \left[ \begin{array}{c} 1\\2\\3\\4 \end{array} \right] } $

\end{multicols}
\end{document}
