<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">\documentclass[a4paper,12pt]{article}
\usepackage{epsfig}
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\parindent=0pt

\begin{center}
\textbf{Partial Differentiation}

\textit{\textbf{Functions of more than one variable}}
\end{center}

\textbf{Question}

Sketch the graph of the function.

$$ f(x,y) =\sin x, \ \ \ (0\le x \le 2\pi ,\ 0 \le y \le 1)$$


\textbf{Answer}

\begin{center}
\epsfig{file=PD-1A-2.eps, width=50mm}
\end{center}

\end{document}













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